OK, but that doesn’t resolve the initial problem. The log4j 2 project is too 
large.

Ralph

> On Jan 18, 2018, at 10:15 PM, Gary Gregory <garydgreg...@gmail.com> wrote:
> 
> On Thu, Jan 18, 2018 at 9:43 PM, Ralph Goers <ralph.go...@dslextreme.com>
> wrote:
> 
>> In addition, the build is now failing to compile on Jenkins.
>> 
> 
> Oops, please accept my apologies. I got caught by the Eclipse compiler
> being more forgiving (or more powerful) than the Oracle compiler in the
> generics department. All of that despite the Maven partial builds I ran. I
> must have not run the clean goal or some-such.
> 
> Gary
> 
> 
>> Ralph
>> 
>>> On Jan 18, 2018, at 9:28 PM, Ralph Goers <ralph.go...@dslextreme.com>
>> wrote:
>>> 
>>> -1
>>> 
>>> Please revert and move this to the log4j plugins project.
>>> 
>>> Ralph
>>> 
>>>> On Jan 18, 2018, at 8:54 PM, ggreg...@apache.org wrote:
>>>> 
>>>> Repository: logging-log4j2
>>>> Updated Branches:
>>>> refs/heads/master bb6fcd09e -> 639f093b8
>>>> 
>>>> 
>>>> [LOG4J2-2186] Add a JDBC ConnectionSource that provides pooling through
>>>> Apache Commons DBCP 2.
>>>> 
>>>> Project: http://git-wip-us.apache.org/repos/asf/logging-log4j2/repo
>>>> Commit: http://git-wip-us.apache.org/repos/asf/logging-log4j2/
>> commit/639f093b
>>>> Tree: http://git-wip-us.apache.org/repos/asf/logging-log4j2/tree/
>> 639f093b
>>>> Diff: http://git-wip-us.apache.org/repos/asf/logging-log4j2/diff/
>> 639f093b
>>>> 
>>>> Branch: refs/heads/master
>>>> Commit: 639f093b8103df2c2eda8d62fd12d7619d98ac04
>>>> Parents: bb6fcd0
>>>> Author: Gary Gregory <garydgreg...@gmail.com>
>>>> Authored: Thu Jan 18 20:54:47 2018 -0700
>>>> Committer: Gary Gregory <garydgreg...@gmail.com>
>>>> Committed: Thu Jan 18 20:54:47 2018 -0700
>>>> 
>>>> ----------------------------------------------------------------------
>>>> log4j-jdbc-dbcp2/pom.xml                        | 170
>> +++++++++++++++++++
>>>> .../db/jdbc/PoolingDriverConnectionSource.java  | 155 +++++++++++++++++
>>>> log4j-jdbc-dbcp2/src/site/manual/index.md       |  35 ++++
>>>> log4j-jdbc-dbcp2/src/site/site.xml              |  52 ++++++
>>>> .../jdbc/PoolingDriverConnectionSourceTest.java |  96 +++++++++++
>>>> pom.xml                                         |   1 +
>>>> src/changes/changes.xml                         |   3 +
>>>> src/site/xdoc/manual/appenders.xml              |  28 ++-
>>>> 8 files changed, 537 insertions(+), 3 deletions(-)
>>>> ----------------------------------------------------------------------
>>>> 
>>>> 
>>>> http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/
>> 639f093b/log4j-jdbc-dbcp2/pom.xml
>>>> ----------------------------------------------------------------------
>>>> diff --git a/log4j-jdbc-dbcp2/pom.xml b/log4j-jdbc-dbcp2/pom.xml
>>>> new file mode 100644
>>>> index 0000000..18e0e86
>>>> --- /dev/null
>>>> +++ b/log4j-jdbc-dbcp2/pom.xml
>>>> @@ -0,0 +1,170 @@
>>>> +<?xml version="1.0" encoding="UTF-8"?>
>>>> +<!-- ~ Licensed to the Apache Software Foundation (ASF) under one or
>> more ~ contributor license agreements. See the NOTICE
>>>> +  file distributed with ~ this work for additional information
>> regarding copyright ownership. ~ The ASF licenses this file
>>>> +  to You under the Apache License, Version 2.0 ~ (the "License"); you
>> may not use this file except in compliance with ~ the
>>>> +  License. You may obtain a copy of the License at ~ ~
>> http://www.apache.org/licenses/LICENSE-2.0 ~ ~ Unless required by
>> applicable
>>>> +  law or agreed to in writing, software ~ distributed under the
>> License is distributed on an "AS IS" BASIS, ~ WITHOUT WARRANTIES
>>>> +  OR CONDITIONS OF ANY KIND, either express or implied. ~ See the
>> License for the specific language governing permissions and
>>>> +  ~ limitations under the License. -->
>>>> +
>>>> +<project xmlns="http://maven.apache.org/POM/4.0.0"; xmlns:xsi="
>> http://www.w3.org/2001/XMLSchema-instance";
>>>> +  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
>> http://maven.apache.org/xsd/maven-4.0.0.xsd";>
>>>> +  <parent>
>>>> +    <groupId>org.apache.logging.log4j</groupId>
>>>> +    <artifactId>log4j</artifactId>
>>>> +    <version>2.10.1-SNAPSHOT</version>
>>>> +  </parent>
>>>> +  <modelVersion>4.0.0</modelVersion>
>>>> +
>>>> +  <artifactId>log4j-jdbc-dbcp2</artifactId>
>>>> +  <name>Apache Log4j JDBC DBCP 2</name>
>>>> +  <description>
>>>> +    Connection source for the JDBC Appender using on Apache Commons
>> DBCP 2.
>>>> +  </description>
>>>> +  <properties>
>>>> +    <log4jParentDir>${basedir}/..</log4jParentDir>
>>>> +    <docLabel>Log4j JDBC DBCP 2 Documentation</docLabel>
>>>> +    <projectDir>/log4j-jdbc-dbcp2</projectDir>
>>>> +    <module.name>org.apache.logging.log4j.jdbc.dbcp2</module.name>
>>>> +  </properties>
>>>> +
>>>> +  <dependencies>
>>>> +    <dependency>
>>>> +      <groupId>org.apache.logging.log4j</groupId>
>>>> +      <artifactId>log4j-core</artifactId>
>>>> +    </dependency>
>>>> +    <dependency>
>>>> +      <groupId>org.apache.commons</groupId>
>>>> +      <artifactId>commons-dbcp2</artifactId>
>>>> +      <version>2.2.0</version>
>>>> +    </dependency>
>>>> +    <!-- Test Dependencies -->
>>>> +    <dependency>
>>>> +      <groupId>junit</groupId>
>>>> +      <artifactId>junit</artifactId>
>>>> +    </dependency>
>>>> +    <dependency>
>>>> +      <groupId>org.apache.logging.log4j</groupId>
>>>> +      <artifactId>log4j-api</artifactId>
>>>> +      <type>test-jar</type>
>>>> +    </dependency>
>>>> +    <dependency>
>>>> +      <groupId>org.apache.logging.log4j</groupId>
>>>> +      <artifactId>log4j-core</artifactId>
>>>> +      <type>test-jar</type>
>>>> +    </dependency>
>>>> +    <dependency>
>>>> +      <groupId>com.h2database</groupId>
>>>> +      <artifactId>h2</artifactId>
>>>> +      <scope>test</scope>
>>>> +    </dependency>
>>>> +  </dependencies>
>>>> +
>>>> +  <build>
>>>> +    <plugins>
>>>> +      <plugin>
>>>> +        <groupId>org.apache.felix</groupId>
>>>> +        <artifactId>maven-bundle-plugin</artifactId>
>>>> +        <configuration>
>>>> +          <instructions>
>>>> +            <Fragment-Host>org.apache.logging.log4j.core.appender.
>> db.jdbc</Fragment-Host>
>>>> +            <Export-Package>*</Export-Package>
>>>> +          </instructions>
>>>> +        </configuration>
>>>> +      </plugin>
>>>> +    </plugins>
>>>> +  </build>
>>>> +  <reporting>
>>>> +    <plugins>
>>>> +      <plugin>
>>>> +        <groupId>org.apache.maven.plugins</groupId>
>>>> +        <artifactId>maven-changes-plugin</artifactId>
>>>> +        <version>${changes.plugin.version}</version>
>>>> +        <reportSets>
>>>> +          <reportSet>
>>>> +            <reports>
>>>> +              <report>changes-report</report>
>>>> +            </reports>
>>>> +          </reportSet>
>>>> +        </reportSets>
>>>> +        <configuration>
>>>> +          <issueLinkTemplate>%URL%/show_bug.cgi?id=%ISSUE%</
>> issueLinkTemplate>
>>>> +          <useJql>true</useJql>
>>>> +        </configuration>
>>>> +      </plugin>
>>>> +      <plugin>
>>>> +        <groupId>org.apache.maven.plugins</groupId>
>>>> +        <artifactId>maven-checkstyle-plugin</artifactId>
>>>> +        <version>${checkstyle.plugin.version}</version>
>>>> +        <configuration>
>>>> +          <!--<propertiesLocation>${vfs.parent.dir}/checkstyle.
>> properties</propertiesLocation> -->
>>>> +          <configLocation>${log4jParentDir}/checkstyle.
>> xml</configLocation>
>>>> +          <suppressionsLocation>${log4jParentDir}/checkstyle-
>> suppressions.xml</suppressionsLocation>
>>>> +          <enableRulesSummary>false</enableRulesSummary>
>>>> +          <propertyExpansion>basedir=${basedir}</propertyExpansion>
>>>> +          <propertyExpansion>licensedir=${log4jParentDir}/checkstyle-
>> header.txt</propertyExpansion>
>>>> +        </configuration>
>>>> +      </plugin>
>>>> +      <plugin>
>>>> +        <groupId>org.apache.maven.plugins</groupId>
>>>> +        <artifactId>maven-javadoc-plugin</artifactId>
>>>> +        <version>${javadoc.plugin.version}</version>
>>>> +        <configuration>
>>>> +          <bottom><![CDATA[<p align="center">Copyright &#169;
>> {inceptionYear}-{currentYear} {organizationName}. All Rights Reserved.<br />
>>>> +            Apache Logging, Apache Log4j, Log4j, Apache, the Apache
>> feather logo, the Apache Logging project logo,
>>>> +            and the Apache Log4j logo are trademarks of The Apache
>> Software Foundation.</p>]]></bottom>
>>>> +          <!-- module link generation is completely broken in the
>> javadoc plugin for a multi-module non-aggregating project -->
>>>> +          <detectOfflineLinks>false</detectOfflineLinks>
>>>> +          <linksource>true</linksource>
>>>> +        </configuration>
>>>> +        <reportSets>
>>>> +          <reportSet>
>>>> +            <id>non-aggregate</id>
>>>> +            <reports>
>>>> +              <report>javadoc</report>
>>>> +            </reports>
>>>> +          </reportSet>
>>>> +        </reportSets>
>>>> +      </plugin>
>>>> +      <plugin>
>>>> +        <groupId>org.codehaus.mojo</groupId>
>>>> +        <artifactId>findbugs-maven-plugin</artifactId>
>>>> +        <version>${findbugs.plugin.version}</version>
>>>> +        <configuration>
>>>> +          <fork>true</fork>
>>>> +          <jvmArgs>-Duser.language=en</jvmArgs>
>>>> +          <threshold>Normal</threshold>
>>>> +          <effort>Default</effort>
>>>> +          <excludeFilterFile>${log4jParentDir}/findbugs-
>> exclude-filter.xml</excludeFilterFile>
>>>> +        </configuration>
>>>> +      </plugin>
>>>> +      <plugin>
>>>> +        <groupId>org.apache.maven.plugins</groupId>
>>>> +        <artifactId>maven-jxr-plugin</artifactId>
>>>> +        <version>${jxr.plugin.version}</version>
>>>> +        <reportSets>
>>>> +          <reportSet>
>>>> +            <id>non-aggregate</id>
>>>> +            <reports>
>>>> +              <report>jxr</report>
>>>> +            </reports>
>>>> +          </reportSet>
>>>> +          <reportSet>
>>>> +            <id>aggregate</id>
>>>> +            <reports>
>>>> +              <report>aggregate</report>
>>>> +            </reports>
>>>> +          </reportSet>
>>>> +        </reportSets>
>>>> +      </plugin>
>>>> +      <plugin>
>>>> +        <groupId>org.apache.maven.plugins</groupId>
>>>> +        <artifactId>maven-pmd-plugin</artifactId>
>>>> +        <version>${pmd.plugin.version}</version>
>>>> +        <configuration>
>>>> +          <targetJdk>${maven.compiler.target}</targetJdk>
>>>> +        </configuration>
>>>> +      </plugin>
>>>> +    </plugins>
>>>> +  </reporting>
>>>> +</project>
>>>> 
>>>> http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/
>> 639f093b/log4j-jdbc-dbcp2/src/main/java/org/apache/logging/
>> log4j/core/appender/db/jdbc/PoolingDriverConnectionSource.java
>>>> ----------------------------------------------------------------------
>>>> diff --git a/log4j-jdbc-dbcp2/src/main/java/org/apache/logging/log4j/
>> core/appender/db/jdbc/PoolingDriverConnectionSource.java
>> b/log4j-jdbc-dbcp2/src/main/java/org/apache/logging/log4j/
>> core/appender/db/jdbc/PoolingDriverConnectionSource.java
>>>> new file mode 100644
>>>> index 0000000..80adbb3
>>>> --- /dev/null
>>>> +++ b/log4j-jdbc-dbcp2/src/main/java/org/apache/logging/log4j/
>> core/appender/db/jdbc/PoolingDriverConnectionSource.java
>>>> @@ -0,0 +1,155 @@
>>>> +/*
>>>> + * Licensed to the Apache Software Foundation (ASF) under one or more
>>>> + * contributor license agreements. See the NOTICE file distributed with
>>>> + * this work for additional information regarding copyright ownership.
>>>> + * The ASF licenses this file to You under the Apache license, Version
>> 2.0
>>>> + * (the "License"); you may not use this file except in compliance with
>>>> + * the License. You may obtain a copy of the License at
>>>> + *
>>>> + *      http://www.apache.org/licenses/LICENSE-2.0
>>>> + *
>>>> + * Unless required by applicable law or agreed to in writing, software
>>>> + * distributed under the License is distributed on an "AS IS" BASIS,
>>>> + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
>> implied.
>>>> + * See the license for the specific language governing permissions and
>>>> + * limitations under the license.
>>>> + */
>>>> +package org.apache.logging.log4j.core.appender.db.jdbc;
>>>> +
>>>> +import java.sql.DriverManager;
>>>> +import java.sql.SQLException;
>>>> +
>>>> +import org.apache.commons.dbcp2.ConnectionFactory;
>>>> +import org.apache.commons.dbcp2.DriverManagerConnectionFactory;
>>>> +import org.apache.commons.dbcp2.PoolableConnection;
>>>> +import org.apache.commons.dbcp2.PoolableConnectionFactory;
>>>> +import org.apache.commons.dbcp2.PoolingDriver;
>>>> +import org.apache.commons.pool2.ObjectPool;
>>>> +import org.apache.commons.pool2.impl.GenericObjectPool;
>>>> +import org.apache.logging.log4j.core.Core;
>>>> +import org.apache.logging.log4j.core.config.Property;
>>>> +import org.apache.logging.log4j.core.config.plugins.Plugin;
>>>> +import org.apache.logging.log4j.core.config.plugins.
>> PluginBuilderFactory;
>>>> +
>>>> +/**
>>>> + * A {@link ConnectionSource} that uses a JDBC connection string, a
>> user name, and a password to call
>>>> + * {@link DriverManager#getConnection(String, String, String)}. The
>> connections are served from an
>>>> + * <a href="http://commons.apache.org/proper/commons-dbcp/";>Apache
>> Commons DBCP</a> pooling driver.
>>>> + */
>>>> +@Plugin(name = "PoolingDriver", category = Core.CATEGORY_NAME,
>> elementType = "connectionSource", printObject = true)
>>>> +public final class PoolingDriverConnectionSource extends
>> DriverManagerConnectionSource {
>>>> +
>>>> +    /**
>>>> +     * Builds PoolingDriverConnectionSource instances.
>>>> +     *
>>>> +     * @param <B>
>>>> +     *            This builder type or a subclass.
>>>> +     */
>>>> +    public static class Builder<B extends Builder<B>>
>>>> +            extends DriverManagerConnectionSource.Builder<B,
>> PoolingDriverConnectionSource> {
>>>> +
>>>> +        public static final String DEFAULT_POOL_NAME = "example";
>>>> +        private String poolName = DEFAULT_POOL_NAME;
>>>> +
>>>> +        @Override
>>>> +        public PoolingDriverConnectionSource build() {
>>>> +            try {
>>>> +                return new 
>>>> PoolingDriverConnectionSource(getDriverClassName(),
>> getConnectionString(), getUserName(),
>>>> +                        getPassword(), getProperties(), poolName);
>>>> +            } catch (final SQLException e) {
>>>> +                getLogger().error("Exception constructing {} for {}",
>> PoolingDriverConnectionSource.class,
>>>> +                        getConnectionString(), e);
>>>> +                return null;
>>>> +            }
>>>> +        }
>>>> +
>>>> +        public B setPoolName(final String poolName) {
>>>> +            this.poolName = poolName;
>>>> +            return asBuilder();
>>>> +        }
>>>> +    }
>>>> +
>>>> +    public static final String URL_PREFIX =
>> "jdbc:apache:commons:dbcp:";
>>>> +
>>>> +    // This method is not named newBuilder() to make the compiler
>> happy.
>>>> +    @PluginBuilderFactory
>>>> +    public static <B extends Builder<B>> B
>> newPoolingDriverConnectionSourceBuilder() {
>>>> +        return new Builder<B>().asBuilder();
>>>> +    }
>>>> +
>>>> +    private final String poolingDriverClassName =
>> "org.apache.commons.dbcp2.PoolingDriver";
>>>> +
>>>> +    private final String poolName;
>>>> +
>>>> +    public PoolingDriverConnectionSource(final String
>> driverClassName, final String connectionString,
>>>> +            final char[] userName, final char[] password, final
>> Property[] properties, final String poolName)
>>>> +            throws SQLException {
>>>> +        super(driverClassName, connectionString, URL_PREFIX +
>> poolName, userName, password, properties);
>>>> +        this.poolName = poolName;
>>>> +        setupDriver(connectionString);
>>>> +    }
>>>> +
>>>> +    @Override
>>>> +    public String getActualConnectionString() {
>>>> +        // TODO Auto-generated method stub
>>>> +        return super.getActualConnectionString();
>>>> +    }
>>>> +
>>>> +    private PoolingDriver getPoolingDriver() throws SQLException {
>>>> +        final PoolingDriver driver = (PoolingDriver)
>> DriverManager.getDriver(URL_PREFIX);
>>>> +        if (driver == null) {
>>>> +            getLogger().error("No JDBC driver for {}", URL_PREFIX);
>>>> +        }
>>>> +        return driver;
>>>> +    }
>>>> +
>>>> +    private void setupDriver(final String connectionString) throws
>> SQLException {
>>>> +        //
>>>> +        // First, we'll create a ConnectionFactory that the
>>>> +        // pool will use to create Connections.
>>>> +        // We'll use the DriverManagerConnectionFactory,
>>>> +        // using the connect string passed in the command line
>>>> +        // arguments.
>>>> +        //
>>>> +        final ConnectionFactory connectionFactory = new
>> DriverManagerConnectionFactory(connectionString, null);
>>>> +
>>>> +        //
>>>> +        // Next, we'll create the PoolableConnectionFactory, which
>> wraps
>>>> +        // the "real" Connections created by the ConnectionFactory with
>>>> +        // the classes that implement the pooling functionality.
>>>> +        //
>>>> +        final PoolableConnectionFactory poolableConnectionFactory =
>> new PoolableConnectionFactory(connectionFactory,
>>>> +                null);
>>>> +
>>>> +        //
>>>> +        // Now we'll need a ObjectPool that serves as the
>>>> +        // actual pool of connections.
>>>> +        //
>>>> +        // We'll use a GenericObjectPool instance, although
>>>> +        // any ObjectPool implementation will suffice.
>>>> +        //
>>>> +        @SuppressWarnings("resource")
>>>> +        // This GenericObjectPool will be closed on shutown
>>>> +        final ObjectPool<PoolableConnection> connectionPool = new
>> GenericObjectPool<>(poolableConnectionFactory);
>>>> +
>>>> +        // Set the factory's pool property to the owning pool
>>>> +        poolableConnectionFactory.setPool(connectionPool);
>>>> +
>>>> +        loadDriver(poolingDriverClassName);
>>>> +        final PoolingDriver driver = getPoolingDriver();
>>>> +        if (driver != null) {
>>>> +            driver.registerPool(poolName, connectionPool);
>>>> +        }
>>>> +        //
>>>> +        // Now we can just use the connect string
>> "jdbc:apache:commons:dbcp:example"
>>>> +        // to access our pool of Connections.
>>>> +        //
>>>> +    }
>>>> +
>>>> +    public void shutdownDriver() throws SQLException {
>>>> +        final PoolingDriver driver = getPoolingDriver();
>>>> +        if (driver != null) {
>>>> +            driver.closePool(poolName);
>>>> +        }
>>>> +    }
>>>> +}
>>>> 
>>>> http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/
>> 639f093b/log4j-jdbc-dbcp2/src/site/manual/index.md
>>>> ----------------------------------------------------------------------
>>>> diff --git a/log4j-jdbc-dbcp2/src/site/manual/index.md
>> b/log4j-jdbc-dbcp2/src/site/manual/index.md
>>>> new file mode 100644
>>>> index 0000000..b7fb5a5
>>>> --- /dev/null
>>>> +++ b/log4j-jdbc-dbcp2/src/site/manual/index.md
>>>> @@ -0,0 +1,35 @@
>>>> +<!-- vim: set syn=markdown : -->
>>>> +<!--
>>>> +    Licensed to the Apache Software Foundation (ASF) under one or more
>>>> +    contributor license agreements.  See the NOTICE file distributed
>> with
>>>> +    this work for additional information regarding copyright ownership.
>>>> +    The ASF licenses this file to You under the Apache License,
>> Version 2.0
>>>> +    (the "License"); you may not use this file except in compliance
>> with
>>>> +    the License.  You may obtain a copy of the License at
>>>> +
>>>> +         http://www.apache.org/licenses/LICENSE-2.0
>>>> +
>>>> +    Unless required by applicable law or agreed to in writing, software
>>>> +    distributed under the License is distributed on an "AS IS" BASIS,
>>>> +    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
>> implied.
>>>> +    See the License for the specific language governing permissions and
>>>> +    limitations under the License.
>>>> +-->
>>>> +
>>>> +# Log4j 2 JDBC Connection Source with Apache Commons DBCP 2
>>>> +
>>>> +This module adds a connection source for JDBC Appenders. The
>> PoolingDriverConnectionSource
>>>> +provides connection pooling through Apache Commons DBCP 2.
>>>> +
>>>> +## Requirements
>>>> +
>>>> +This module was introduced in Log4j 2.11.0 and requires Apache Commons
>> DBCP 2 to provide
>>>> +connection pooling.
>>>> +
>>>> +Some features may require optional
>>>> +[dependencies](../runtime-dependencies.html). These dependencies are
>> specified in the
>>>> +documentation for those features.
>>>> +
>>>> +Some Log4j features require external dependencies.
>>>> +See the [Dependency Tree](dependencies.html#Dependency_Tree)
>>>> +for the exact list of JAR files needed for these features.
>>>> 
>>>> http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/
>> 639f093b/log4j-jdbc-dbcp2/src/site/site.xml
>>>> ----------------------------------------------------------------------
>>>> diff --git a/log4j-jdbc-dbcp2/src/site/site.xml
>> b/log4j-jdbc-dbcp2/src/site/site.xml
>>>> new file mode 100644
>>>> index 0000000..6d4cddc
>>>> --- /dev/null
>>>> +++ b/log4j-jdbc-dbcp2/src/site/site.xml
>>>> @@ -0,0 +1,52 @@
>>>> +<!--
>>>> + Licensed to the Apache Software Foundation (ASF) under one or more
>>>> + contributor license agreements.  See the NOTICE file distributed with
>>>> + this work for additional information regarding copyright ownership.
>>>> + The ASF licenses this file to You under the Apache License, Version
>> 2.0
>>>> + (the "License"); you may not use this file except in compliance with
>>>> + the License.  You may obtain a copy of the License at
>>>> +
>>>> +      http://www.apache.org/licenses/LICENSE-2.0
>>>> +
>>>> + Unless required by applicable law or agreed to in writing, software
>>>> + distributed under the License is distributed on an "AS IS" BASIS,
>>>> + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
>> implied.
>>>> + See the License for the specific language governing permissions and
>>>> + limitations under the License.
>>>> +
>>>> +-->
>>>> +<project name="Log4j Core"
>>>> +         xmlns="http://maven.apache.org/DECORATION/1.4.0";
>>>> +         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
>>>> +         xsi:schemaLocation="http://maven.apache.org/DECORATION/1.4.0
>> http://maven.apache.org/xsd/decoration-1.4.0.xsd";>
>>>> +  <body>
>>>> +    <links>
>>>> +      <item name="Apache" href="http://www.apache.org/"; />
>>>> +      <item name="Logging Services" href="http://logging.apache.org/
>> "/>
>>>> +      <item name="Log4j" href="../index.html"/>
>>>> +    </links>
>>>> +
>>>> +    <!-- Component-specific reports -->
>>>> +    <menu ref="reports"/>
>>>> +
>>>> +    <!-- Overall Project Info -->
>>>> +    <menu name="Log4j Project Information" img="icon-info-sign">
>>>> +      <item name="Dependencies" href="../dependencies.html" />
>>>> +      <item name="Dependency Convergence" 
>>>> href="../dependency-convergence.html"
>> />
>>>> +      <item name="Dependency Management" 
>>>> href="../dependency-management.html"
>> />
>>>> +      <item name="Project Team" href="../team-list.html" />
>>>> +      <item name="Mailing Lists" href="../mail-lists.html" />
>>>> +      <item name="Issue Tracking" href="../issue-tracking.html" />
>>>> +      <item name="Project License" href="../license.html" />
>>>> +      <item name="Source Repository" href="../source-repository.html"
>> />
>>>> +      <item name="Project Summary" href="../project-summary.html" />
>>>> +    </menu>
>>>> +
>>>> +    <menu name="Log4j Project Reports" img="icon-cog">
>>>> +      <item name="Changes Report" href="../changes-report.html" />
>>>> +      <item name="JIRA Report" href="../jira-report.html" />
>>>> +      <item name="Surefire Report" href="../surefire-report.html" />
>>>> +      <item name="RAT Report" href="../rat-report.html" />
>>>> +    </menu>
>>>> +  </body>
>>>> +</project>
>>>> 
>>>> http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/
>> 639f093b/log4j-jdbc-dbcp2/src/test/java/org/apache/logging/
>> log4j/core/appender/db/jdbc/PoolingDriverConnectionSourceTest.java
>>>> ----------------------------------------------------------------------
>>>> diff --git a/log4j-jdbc-dbcp2/src/test/java/org/apache/logging/log4j/
>> core/appender/db/jdbc/PoolingDriverConnectionSourceTest.java
>> b/log4j-jdbc-dbcp2/src/test/java/org/apache/logging/log4j/
>> core/appender/db/jdbc/PoolingDriverConnectionSourceTest.java
>>>> new file mode 100644
>>>> index 0000000..2b7b886
>>>> --- /dev/null
>>>> +++ b/log4j-jdbc-dbcp2/src/test/java/org/apache/logging/log4j/
>> core/appender/db/jdbc/PoolingDriverConnectionSourceTest.java
>>>> @@ -0,0 +1,96 @@
>>>> +/*
>>>> + * Licensed to the Apache Software Foundation (ASF) under one or more
>>>> + * contributor license agreements. See the NOTICE file distributed with
>>>> + * this work for additional information regarding copyright ownership.
>>>> + * The ASF licenses this file to You under the Apache license, Version
>> 2.0
>>>> + * (the "License"); you may not use this file except in compliance with
>>>> + * the License. You may obtain a copy of the License at
>>>> + *
>>>> + *      http://www.apache.org/licenses/LICENSE-2.0
>>>> + *
>>>> + * Unless required by applicable law or agreed to in writing, software
>>>> + * distributed under the License is distributed on an "AS IS" BASIS,
>>>> + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
>> implied.
>>>> + * See the license for the specific language governing permissions and
>>>> + * limitations under the license.
>>>> + */
>>>> +
>>>> +package org.apache.logging.log4j.core.appender.db.jdbc;
>>>> +
>>>> +import java.sql.Connection;
>>>> +import java.sql.SQLException;
>>>> +
>>>> +import org.apache.logging.log4j.core.config.Property;
>>>> +import org.junit.Assert;
>>>> +import org.junit.Test;
>>>> +
>>>> +public class PoolingDriverConnectionSourceTest {
>>>> +
>>>> +    @Test
>>>> +    public void testH2Properties() throws SQLException {
>>>> +        final Property[] properties = new Property[] {
>>>> +                // @formatter:off
>>>> +                Property.createProperty("username",
>> JdbcH2TestHelper.USER_NAME),
>>>> +                Property.createProperty("password",
>> JdbcH2TestHelper.PASSWORD),
>>>> +                // @formatter:on
>>>> +        };
>>>> +        // @formatter:off
>>>> +        final PoolingDriverConnectionSource source =
>> PoolingDriverConnectionSource.newPoolingDriverConnectionSourceBuilder()
>>>> +            .setConnectionString(JdbcH2TestHelper.CONNECTION_STRING)
>>>> +            .setProperties(properties)
>>>> +            .build();
>>>> +        // @formatter:on
>>>> +        try (Connection conn = source.getConnection()) {
>>>> +            Assert.assertFalse(conn.isClosed());
>>>> +        }
>>>> +    }
>>>> +
>>>> +    @Test
>>>> +    public void testH2PropertiesAndPoolName() throws SQLException {
>>>> +        final Property[] properties = new Property[] {
>>>> +                // @formatter:off
>>>> +                Property.createProperty("username",
>> JdbcH2TestHelper.USER_NAME),
>>>> +                Property.createProperty("password",
>> JdbcH2TestHelper.PASSWORD),
>>>> +                // @formatter:on
>>>> +        };
>>>> +        // @formatter:off
>>>> +        final PoolingDriverConnectionSource source =
>> PoolingDriverConnectionSource.newPoolingDriverConnectionSourceBuilder()
>>>> +            .setConnectionString(JdbcH2TestHelper.CONNECTION_STRING)
>>>> +            .setProperties(properties)
>>>> +            .setPoolName("MyPoolName")
>>>> +            .build();
>>>> +        // @formatter:on
>>>> +        try (Connection conn = source.getConnection()) {
>>>> +            Assert.assertFalse(conn.isClosed());
>>>> +        }
>>>> +    }
>>>> +
>>>> +    @Test
>>>> +    public void testH2UserAndPassword() throws SQLException {
>>>> +        // @formatter:off
>>>> +        final PoolingDriverConnectionSource source =
>> PoolingDriverConnectionSource.newPoolingDriverConnectionSourceBuilder()
>>>> +            .setConnectionString(JdbcH2TestHelper.CONNECTION_STRING)
>>>> +            .setUserName(JdbcH2TestHelper.USER_NAME.toCharArray())
>>>> +            .setPassword(JdbcH2TestHelper.PASSWORD.toCharArray())
>>>> +            .build();
>>>> +        // @formatter:on
>>>> +        try (Connection conn = source.getConnection()) {
>>>> +            Assert.assertFalse(conn.isClosed());
>>>> +        }
>>>> +    }
>>>> +
>>>> +    @Test
>>>> +    public void testH2UserPasswordAndPoolName() throws SQLException {
>>>> +        // @formatter:off
>>>> +        final PoolingDriverConnectionSource source =
>> PoolingDriverConnectionSource.newPoolingDriverConnectionSourceBuilder()
>>>> +            .setConnectionString(JdbcH2TestHelper.CONNECTION_STRING)
>>>> +            .setUserName(JdbcH2TestHelper.USER_NAME.toCharArray())
>>>> +            .setPassword(JdbcH2TestHelper.PASSWORD.toCharArray())
>>>> +            .setPoolName("MyPoolName")
>>>> +            .build();
>>>> +        // @formatter:on
>>>> +        try (Connection conn = source.getConnection()) {
>>>> +            Assert.assertFalse(conn.isClosed());
>>>> +        }
>>>> +    }
>>>> +}
>>>> 
>>>> http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/
>> 639f093b/pom.xml
>>>> ----------------------------------------------------------------------
>>>> diff --git a/pom.xml b/pom.xml
>>>> index 31195f2..f1027f2 100644
>>>> --- a/pom.xml
>>>> +++ b/pom.xml
>>>> @@ -1320,6 +1320,7 @@
>>>>   <module>log4j-jmx-gui</module>
>>>>   <module>log4j-samples</module>
>>>>   <module>log4j-bom</module>
>>>> +    <module>log4j-jdbc-dbcp2</module>
>>>>   <module>log4j-couchdb</module>
>>>>   <module>log4j-mongodb</module>
>>>>   <module>log4j-cassandra</module>
>>>> 
>>>> http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/
>> 639f093b/src/changes/changes.xml
>>>> ----------------------------------------------------------------------
>>>> diff --git a/src/changes/changes.xml b/src/changes/changes.xml
>>>> index 3ca94e4..6398bb0 100644
>>>> --- a/src/changes/changes.xml
>>>> +++ b/src/changes/changes.xml
>>>> @@ -104,6 +104,9 @@
>>>>     <action issue="LOG4J2-2198" dev="ggregory" type="update">
>>>>       Update MongoDB dependencies from classic to modern.
>>>>     </action>
>>>> +      <action issue="LOG4J2-2186" dev="ggregory" type="add">
>>>> +        Add a JDBC ConnectionSource that provides pooling through
>> Apache Commons DBCP 2.
>>>> +      </action>
>>>>   </release>
>>>>   <release version="2.10.0" date="2017-11-18" description="GA Release
>> 2.10.0">
>>>>     <action issue="LOG4J2-2120" dev="mikes" type="add" due-to="Carter
>> Douglas Kozak ">
>>>> 
>>>> http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/
>> 639f093b/src/site/xdoc/manual/appenders.xml
>>>> ----------------------------------------------------------------------
>>>> diff --git a/src/site/xdoc/manual/appenders.xml b/src/site/xdoc/manual/
>> appenders.xml
>>>> index c62a284..4f106df 100644
>>>> --- a/src/site/xdoc/manual/appenders.xml
>>>> +++ b/src/site/xdoc/manual/appenders.xml
>>>> @@ -1070,9 +1070,10 @@ CREATE TABLE logs (
>>>>         <p>When configuring the JDBCAppender, you must specify a
>> <code>ConnectionSource</code> implementation from
>>>>           which the Appender gets JDBC connections. You must use
>> exactly one of the following nested elements:</p>
>>>>         <ul>
>>>> -            <li><a href="#JDBCDataSource"><code>&
>> lt;DataSource&gt;</code></a></li>
>>>> -            <li><a href="#JDBCConnectionFactory">
>> <code>&lt;ConnectionFactory&gt;</code></a></li>
>>>> -            <li><a href="#JDBCDriverManager"><
>> code>&lt;DriverManager&gt;</code></a></li>
>>>> +            <li><a 
>>>> href="#JDBCDataSource"><code>&lt;DataSource&gt;</code></a>:
>> Uses JNDI.</li>
>>>> +            <li><a href="#JDBCConnectionFactory">
>> <code>&lt;ConnectionFactory&gt;</code></a>: Points to a class-method pair
>> to provide JDBC connections.</li>
>>>> +            <li><a href="#JDBCDriverManager"><
>> code>&lt;DriverManager&gt;</code></a>: A quick and dirty way to get off
>> the ground, no connection pooling.</li>
>>>> +            <li><a href="#JDBCPoolingDriver"><
>> code>&lt;PoolingDriver&gt;</code></a>: Uses Apache Commons DBCP to
>> provide connection pooling.</li>
>>>>         </ul>
>>>>         <a name="JDBCDataSource"/>
>>>>         <table>
>>>> @@ -1149,6 +1150,27 @@ CREATE TABLE logs (
>>>>             <td>A list of properties. You cannot specify both
>> properties and a user name or password.</td>
>>>>           </tr>
>>>>         </table>
>>>> +          <a name="JDBCPoolingDriver"/>
>>>> +          <table>
>>>> +            <caption align="top">PoolingDriver Parameters (Apache
>> Commons DBCP)</caption>
>>>> +            <tr>
>>>> +              <th>Parameter Name</th>
>>>> +              <th>Type</th>
>>>> +              <th>Description</th>
>>>> +            </tr>
>>>> +            <tr>
>>>> +              <td>DriverManager parameters</td>
>>>> +              <td>DriverManager parameters</td>
>>>> +              <td>This connection source inherits all parameter from
>> the DriverManager connection source.</td>
>>>> +            </tr>
>>>> +            <tr>
>>>> +              <td>poolName</td>
>>>> +              <td>String</td>
>>>> +              <td>The pool name used to pool JDBC Connections.
>> Defaults to <code>example</code>. You can use the JDBC
>>>> +              connection string prefix 
>>>> <code>jdbc:apache:commons:dbcp:</code>
>> followed by the pool name if you want
>>>> +              to use a pooled connection elsewhere. For example:
>> <code>jdbc:apache:commons:dbcp:example</code>.</td>
>>>> +            </tr>
>>>> +          </table>
>>>>         <p>When configuring the JDBCAppender, use the nested
>> <code>&lt;Column&gt;</code> elements to specify which
>>>>           columns in the table should be written to and how to write
>> to them. The JDBCAppender uses this information
>>>>           to formulate a <code>PreparedStatement</code> to insert
>> records without SQL injection vulnerability.</p>
>>>> 
>>>> 
>>> 
>>> 
>>> 
>> 
>> 
>> 


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