The main thing I wanted regarding plugability of clients was to allow for both java.net usage along with a more advanced client. It could be simplified down to only allowing one non-java.net client library.
I don't want to have two HTTP plugins with different configurations and other confusion just to support java.net and a dependency version. On 4 May 2017 at 09:55, Mikael Ståldal <mikael.stal...@magine.com> wrote: > I can see advantages in using Netty-http or similar to use async NIO, > though those advantages will be a bit limited as long as we don't have a > proper interface for async appenders (LOG4J2-1797 > <https://issues.apache.org/jira/browse/LOG4J2-1797>). > > But are there any significant advantages in using another synchronous HTTP > client library? > > Given that an appender is a plugin by itself, I am a bit skeptical to > adding another layer of pluggability unless there are are significant > advantages with another library and we can share significant amount of code > between different implementations. > > On Thu, May 4, 2017 at 4:42 PM, Matt Sicker <boa...@gmail.com> wrote: > > > Thanks for starting this! My idea in mind when I wrote the ticket was to > > make the actual client pluggable so that users could use > HttpURLConnection > > (no dependencies), Apache HttpClient, Netty-HTTP, etc. > > > > On 4 May 2017 at 07:49, <mi...@apache.org> wrote: > > > > > Repository: logging-log4j2 > > > Updated Branches: > > > refs/heads/LOG4J2-1442 [created] 0af515f3b > > > > > > > > > LOG4J2-1442 Generic HTTP appender > > > > > > > > > Project: http://git-wip-us.apache.org/repos/asf/logging-log4j2/repo > > > Commit: http://git-wip-us.apache.org/repos/asf/logging-log4j2/ > > > commit/410f9d36 > > > Tree: http://git-wip-us.apache.org/repos/asf/logging-log4j2/tree/ > > 410f9d36 > > > Diff: http://git-wip-us.apache.org/repos/asf/logging-log4j2/diff/ > > 410f9d36 > > > > > > Branch: refs/heads/LOG4J2-1442 > > > Commit: 410f9d360eabcdc6949c75973b786c9e2cec9c66 > > > Parents: 8852cd1 > > > Author: Mikael Ståldal <mikael.stal...@magine.com> > > > Authored: Thu May 4 14:21:59 2017 +0200 > > > Committer: Mikael Ståldal <mikael.stal...@magine.com> > > > Committed: Thu May 4 14:45:04 2017 +0200 > > > > > > ---------------------------------------------------------------------- > > > .../log4j/core/appender/HttpAppender.java | 161 > > +++++++++++++++++++ > > > .../log4j/core/appender/HttpManager.java | 82 ++++++++++ > > > .../log4j/core/appender/HttpAppenderTest.java | 52 ++++++ > > > .../src/test/resources/HttpAppenderTest.xml | 43 +++++ > > > src/changes/changes.xml | 3 + > > > src/site/site.xml | 1 + > > > src/site/xdoc/manual/appenders.xml | 78 +++++++++ > > > 7 files changed, 420 insertions(+) > > > ---------------------------------------------------------------------- > > > > > > > > > http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/ > > > 410f9d36/log4j-core/src/main/java/org/apache/logging/log4j/ > > > core/appender/HttpAppender.java > > > ---------------------------------------------------------------------- > > > diff --git a/log4j-core/src/main/java/org/apache/logging/log4j/core/ > > appender/HttpAppender.java > > > b/log4j-core/src/main/java/org/apache/logging/log4j/core/ > > > appender/HttpAppender.java > > > new file mode 100644 > > > index 0000000..e0f1b27 > > > --- /dev/null > > > +++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/ > > > appender/HttpAppender.java > > > @@ -0,0 +1,161 @@ > > > +/* > > > + * 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; > > > + > > > +import java.io.IOException; > > > +import java.io.Serializable; > > > +import java.util.Objects; > > > +import java.util.concurrent.TimeUnit; > > > + > > > +import org.apache.logging.log4j.core.Appender; > > > +import org.apache.logging.log4j.core.Filter; > > > +import org.apache.logging.log4j.core.Layout; > > > +import org.apache.logging.log4j.core.LogEvent; > > > +import org.apache.logging.log4j.core.config.Node; > > > +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. > > > PluginBuilderAttribute; > > > +import org.apache.logging.log4j.core.config.plugins. > > PluginBuilderFactory; > > > +import org.apache.logging.log4j.core.config.plugins.PluginElement; > > > +import org.apache.logging.log4j.core.config.plugins.validation. > > > constraints.Required; > > > + > > > +/** > > > + * Sends log events over HTTP. > > > + */ > > > +@Plugin(name = "Http", category = Node.CATEGORY, elementType = > > > Appender.ELEMENT_TYPE, printObject = true) > > > +public final class HttpAppender extends AbstractAppender { > > > + > > > + /** > > > + * Builds HttpAppender instances. > > > + * @param <B> The type to build > > > + */ > > > + public static class Builder<B extends Builder<B>> extends > > > AbstractAppender.Builder<B> > > > + implements org.apache.logging.log4j.core. > > util.Builder<HttpAppender> > > > { > > > + > > > + @PluginBuilderAttribute > > > + @Required(message = "No URL provided for HttpAppender") > > > + private String url; > > > + > > > + @PluginBuilderAttribute > > > + private String method = "POST"; > > > + > > > + @PluginBuilderAttribute > > > + private int connectTimeoutMillis = 0; > > > + > > > + @PluginBuilderAttribute > > > + private int readTimeoutMillis = 0; > > > + > > > + @PluginElement("Headers") > > > + private Property[] headers; > > > + > > > + @Override > > > + public HttpAppender build() { > > > + final HttpManager httpManager = new > > > HttpManager(getConfiguration(), getConfiguration().getLoggerContext(), > > > + getName(), url, method, connectTimeoutMillis, > > > readTimeoutMillis, headers); > > > + return new HttpAppender(getName(), getLayout(), > getFilter(), > > > isIgnoreExceptions(), httpManager); > > > + } > > > + > > > + public String getUrl() { > > > + return url; > > > + } > > > + > > > + public String getMethod() { > > > + return method; > > > + } > > > + > > > + public int getConnectTimeoutMillis() { > > > + return connectTimeoutMillis; > > > + } > > > + > > > + public int getReadTimeoutMillis() { > > > + return readTimeoutMillis; > > > + } > > > + > > > + public Property[] getHeaders() { > > > + return headers; > > > + } > > > + > > > + public B setUrl(final String url) { > > > + this.url = url; > > > + return asBuilder(); > > > + } > > > + > > > + public B setMethod(final String method) { > > > + this.method = method; > > > + return asBuilder(); > > > + } > > > + > > > + public B setConnectTimeoutMillis(int connectTimeoutMillis) { > > > + this.connectTimeoutMillis = connectTimeoutMillis; > > > + return asBuilder(); > > > + } > > > + > > > + public B setReadTimeoutMillis(int readTimeoutMillis) { > > > + this.readTimeoutMillis = readTimeoutMillis; > > > + return asBuilder(); > > > + } > > > + > > > + public B setHeaders(final Property[] headers) { > > > + this.headers = headers; > > > + return asBuilder(); > > > + } > > > + } > > > + > > > + /** > > > + * @return a builder for a HttpAppender. > > > + */ > > > + @PluginBuilderFactory > > > + public static <B extends Builder<B>> B newBuilder() { > > > + return new Builder<B>().asBuilder(); > > > + } > > > + > > > + private final HttpManager manager; > > > + > > > + private HttpAppender(final String name, final Layout<? extends > > > Serializable> layout, final Filter filter, > > > + final boolean ignoreExceptions, final > > > HttpManager manager) { > > > + super(name, filter, layout, ignoreExceptions); > > > + Objects.requireNonNull(layout, "layout"); > > > + this.manager = Objects.requireNonNull(manager, "manager"); > > > + } > > > + > > > + @Override > > > + public void append(final LogEvent event) { > > > + try { > > > + manager.send(getLayout(), event); > > > + } catch (final Exception e) { > > > + error("Unable to send HTTP in appender [" + getName() + > "]", > > > event, e); > > > + } > > > + } > > > + > > > + @Override > > > + public boolean stop(final long timeout, final TimeUnit timeUnit) { > > > + setStopping(); > > > + boolean stopped = super.stop(timeout, timeUnit, false); > > > + stopped &= manager.stop(timeout, timeUnit); > > > + setStopped(); > > > + return stopped; > > > + } > > > + > > > + @Override > > > + public String toString() { > > > + return "HttpAppender{" + > > > + "name=" + getName() + > > > + ", state=" + getState() + > > > + '}'; > > > + } > > > +} > > > > > > http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/ > > > 410f9d36/log4j-core/src/main/java/org/apache/logging/log4j/ > > > core/appender/HttpManager.java > > > ---------------------------------------------------------------------- > > > diff --git a/log4j-core/src/main/java/org/apache/logging/log4j/core/ > > appender/HttpManager.java > > > b/log4j-core/src/main/java/org/apache/logging/log4j/core/ > > > appender/HttpManager.java > > > new file mode 100644 > > > index 0000000..8f69659 > > > --- /dev/null > > > +++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/ > > > appender/HttpManager.java > > > @@ -0,0 +1,82 @@ > > > +/* > > > + * 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; > > > + > > > +import java.io.IOException; > > > +import java.io.OutputStream; > > > +import java.net.HttpURLConnection; > > > +import java.net.MalformedURLException; > > > +import java.net.URL; > > > +import java.util.Objects; > > > + > > > +import org.apache.logging.log4j.core.Layout; > > > +import org.apache.logging.log4j.core.LogEvent; > > > +import org.apache.logging.log4j.core.LoggerContext; > > > +import org.apache.logging.log4j.core.config.Configuration; > > > +import org.apache.logging.log4j.core.config.ConfigurationException; > > > +import org.apache.logging.log4j.core.config.Property; > > > + > > > +public class HttpManager extends AbstractManager { > > > + > > > + private final Configuration configuration; > > > + private final URL url; > > > + private final String method; > > > + private final int connectTimeoutMillis; > > > + private final int readTimeoutMillis; > > > + private final Property[] headers; > > > + > > > + public HttpManager(final Configuration configuration, > LoggerContext > > > loggerContext, final String name, > > > + final String url, final String method, final > int > > > connectTimeoutMillis, final int readTimeoutMillis, > > > + final Property[] headers) { > > > + super(loggerContext, name); > > > + this.configuration = Objects.requireNonNull(configuration); > > > + try { > > > + this.url = new URL(url); > > > + } catch (MalformedURLException e) { > > > + throw new ConfigurationException(e); > > > + } > > > + this.method = Objects.requireNonNull(method, "method"); > > > + this.connectTimeoutMillis = connectTimeoutMillis; > > > + this.readTimeoutMillis = readTimeoutMillis; > > > + this.headers = headers != null ? headers : new Property[0]; > > > + } > > > + > > > + public void send(final Layout<?> layout, final LogEvent event) > > throws > > > IOException { > > > + HttpURLConnection urlConnection = (HttpURLConnection)url. > > > openConnection(); > > > + urlConnection.setAllowUserInteraction(false); > > > + urlConnection.setDoOutput(true); > > > + urlConnection.setDoInput(true); > > > + urlConnection.setRequestMethod(method); > > > + if (connectTimeoutMillis > 0) urlConnection. > setConnectTimeout( > > > connectTimeoutMillis); > > > + if (readTimeoutMillis > 0) urlConnection.setReadTimeout( > > > readTimeoutMillis); > > > + if (layout.getContentType() != null) urlConnection. > > > setRequestProperty("Content-Type", layout.getContentType()); > > > + for (Property header : headers) { > > > + urlConnection.setRequestProperty( > > > + header.getName(), > > > + header.isValueNeedsLookup() ? configuration. > > > getStrSubstitutor().replace(event, header.getValue()) : > > > header.getValue()); > > > + } > > > + byte[] msg = layout.toByteArray(event); > > > + urlConnection.setFixedLengthStreamingMode(msg.length); > > > + urlConnection.connect(); > > > + try (OutputStream os = urlConnection.getOutputStream()) { > > > + os.write(msg); > > > + } > > > + urlConnection.getInputStream().close(); > > > + } > > > + > > > +} > > > > > > http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/ > > > 410f9d36/log4j-core/src/test/java/org/apache/logging/log4j/ > > core/appender/ > > > HttpAppenderTest.java > > > ---------------------------------------------------------------------- > > > diff --git a/log4j-core/src/test/java/org/apache/logging/log4j/core/ > > appender/HttpAppenderTest.java > > > b/log4j-core/src/test/java/org/apache/logging/log4j/core/ > > > appender/HttpAppenderTest.java > > > new file mode 100644 > > > index 0000000..98120a1 > > > --- /dev/null > > > +++ b/log4j-core/src/test/java/org/apache/logging/log4j/core/ > > > appender/HttpAppenderTest.java > > > @@ -0,0 +1,52 @@ > > > +package org.apache.logging.log4j.core.appender; > > > + > > > +import org.apache.logging.log4j.Level; > > > +import org.apache.logging.log4j.core.Appender; > > > +import org.apache.logging.log4j.core.impl.Log4jLogEvent; > > > +import org.apache.logging.log4j.junit.LoggerContextRule; > > > +import org.apache.logging.log4j.message.SimpleMessage; > > > +import org.junit.Rule; > > > +import org.junit.Test; > > > + > > > +// TODO this test requires manual verification > > > +public class HttpAppenderTest { > > > + > > > + private static final String LOG_MESSAGE = "Hello, world!"; > > > + > > > + private static Log4jLogEvent createLogEvent() { > > > + return Log4jLogEvent.newBuilder() > > > + .setLoggerName(HttpAppenderTest.class.getName()) > > > + .setLoggerFqcn(HttpAppenderTest.class.getName()) > > > + .setLevel(Level.INFO) > > > + .setMessage(new SimpleMessage(LOG_MESSAGE)) > > > + .build(); > > > + } > > > + > > > + @Rule > > > + public LoggerContextRule ctx = new LoggerContextRule(" > > > HttpAppenderTest.xml"); > > > + > > > + @Test > > > + public void testAppendSuccess() throws Exception { > > > + final Appender appender = ctx.getRequiredAppender(" > > HttpSuccess"); > > > + appender.append(createLogEvent()); > > > + } > > > + > > > + @Test > > > + public void testAppendErrorIgnore() throws Exception { > > > + final Appender appender = ctx.getRequiredAppender(" > > > HttpErrorIgnore"); > > > + appender.append(createLogEvent()); > > > + } > > > + > > > + @Test(expected = AppenderLoggingException.class) > > > + public void testAppendError() throws Exception { > > > + final Appender appender = ctx.getRequiredAppender(" > HttpError"); > > > + appender.append(createLogEvent()); > > > + } > > > + > > > + @Test > > > + public void testAppendSubst() throws Exception { > > > + final Appender appender = ctx.getRequiredAppender(" > HttpSubst"); > > > + appender.append(createLogEvent()); > > > + } > > > + > > > +} > > > \ No newline at end of file > > > > > > http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/ > > > 410f9d36/log4j-core/src/test/resources/HttpAppenderTest.xml > > > ---------------------------------------------------------------------- > > > diff --git a/log4j-core/src/test/resources/HttpAppenderTest.xml > > > b/log4j-core/src/test/resources/HttpAppenderTest.xml > > > new file mode 100644 > > > index 0000000..30edaa0 > > > --- /dev/null > > > +++ b/log4j-core/src/test/resources/HttpAppenderTest.xml > > > @@ -0,0 +1,43 @@ > > > +<?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. > > > + --> > > > +<Configuration name="HttpAppenderTest" status="WARN"> > > > + <Appenders> > > > + <Http name="HttpSuccess" url="http://localhost:9200/test/log4j/";> > > > + <Property name="X-Test" value="header value" /> > > > + <JsonLayout properties="true"/> > > > + </Http> > > > + <Http name="HttpErrorIgnore" url="http://localhost:9200/ > test/log4j/ > > " > > > method="PUT"> > > > + <JsonLayout properties="true"/> > > > + </Http> > > > + <Http name="HttpError" url="http://localhost:9200/test/log4j/"; > > > method="PUT" ignoreExceptions="false"> > > > + <JsonLayout properties="true"/> > > > + </Http> > > > + <Http name="HttpSubst" url="http://localhost:9200/test/log4j/";> > > > + <Property name="X-Test" value="$${java:runtime}" /> > > > + <JsonLayout properties="true"/> > > > + </Http> > > > + </Appenders> > > > + <Loggers> > > > + <Root level="info"> > > > + <AppenderRef ref="HttpSuccess"/> > > > + <AppenderRef ref="HttpErrorIgnore"/> > > > + <AppenderRef ref="HttpError"/> > > > + <AppenderRef ref="HttpSubst"/> > > > + </Root> > > > + </Loggers> > > > +</Configuration> > > > \ No newline at end of file > > > > > > http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/ > > > 410f9d36/src/changes/changes.xml > > > ---------------------------------------------------------------------- > > > diff --git a/src/changes/changes.xml b/src/changes/changes.xml > > > index 379c21e..d0f8133 100644 > > > --- a/src/changes/changes.xml > > > +++ b/src/changes/changes.xml > > > @@ -31,6 +31,9 @@ > > > - "remove" - Removed > > > --> > > > <release version="2.9.0" date="2017-MM-DD" description="GA Release > > > 2.9.0"> > > > + <action issue="LOG4J2-1442" dev="mikes" type="add"> > > > + Generic HTTP appender. > > > + </action> > > > <action issue="LOG4J2-1854" dev="mikes" type="add" > due-to="Xavier > > > Jodoin"> > > > Support null byte delimiter in GelfLayout. > > > </action> > > > > > > http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/ > > > 410f9d36/src/site/site.xml > > > ---------------------------------------------------------------------- > > > diff --git a/src/site/site.xml b/src/site/site.xml > > > index e380c82..aa161fe 100644 > > > --- a/src/site/site.xml > > > +++ b/src/site/site.xml > > > @@ -134,6 +134,7 @@ > > > <item name="JDBC" href="/manual/appenders.html# > JDBCAppender"/> > > > <item name="JMS" href="/manual/appenders.html#JMSAppender"/> > > > <item name="JPA" href="/manual/appenders.html#JPAAppender"/> > > > + <item name="HTTP" href="/manual/appenders.html# > HttpAppender"/> > > > <item name="Kafka" href="/manual/appenders.html# > > KafkaAppender"/> > > > <item name="Memory Mapped File" href="/manual/appenders.html# > > > MemoryMappedFileAppender"/> > > > <item name="NoSQL" href="/manual/appenders.html# > > NoSQLAppender"/> > > > > > > http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/ > > > 410f9d36/src/site/xdoc/manual/appenders.xml > > > ---------------------------------------------------------------------- > > > diff --git a/src/site/xdoc/manual/appenders.xml > b/src/site/xdoc/manual/ > > > appenders.xml > > > index 28d9aa4..f7721df 100644 > > > --- a/src/site/xdoc/manual/appenders.xml > > > +++ b/src/site/xdoc/manual/appenders.xml > > > @@ -1538,6 +1538,84 @@ public class JpaLogEntity extends > > > AbstractLogEventWrapperEntity { > > > ... > > > }]]></pre> > > > </subsection> > > > + <a name="HttpAppender"/> > > > + <subsection name="HttpAppender"> > > > + <p> > > > + The HttpAppender sends log events over HTTP. A Layout must > > be > > > provided to format the LogEvent. > > > + </p> > > > + <p> > > > + Will set the <code>Content-Type</code> header according to > > > the layout. Additional headers can be specified > > > + with embedded Property elements. > > > + </p> > > > + <table> > > > + <caption align="top">HttpAppender Parameters</caption> > > > + <tr> > > > + <th>Parameter Name</th> > > > + <th>Type</th> > > > + <th>Description</th> > > > + </tr> > > > + <tr> > > > + <td>name</td> > > > + <td>String</td> > > > + <td>The name of the Appender.</td> > > > + </tr> > > > + <tr> > > > + <td>filter</td> > > > + <td>Filter</td> > > > + <td>A Filter to determine if the event should be handled > > by > > > this Appender. More than one Filter > > > + may be used by using a CompositeFilter.</td> > > > + </tr> > > > + <tr> > > > + <td>layout</td> > > > + <td>Layout</td> > > > + <td>The Layout to use to format the LogEvent.</td> > > > + </tr> > > > + <tr> > > > + <td>url</td> > > > + <td>string</td> > > > + <td>The URL to use. The URL scheme must be "http" or > > > "https".</td> > > > + </tr> > > > + <tr> > > > + <td>method</td> > > > + <td>string</td> > > > + <td>The HTTP method to use. Optional, default is > > > "POST".</td> > > > + </tr> > > > + <tr> > > > + <td>connectTimeoutMillis</td> > > > + <td>integer</td> > > > + <td>The connect timeout in milliseconds. Optional, > default > > > is 0 (infinite timeout).</td> > > > + </tr> > > > + <tr> > > > + <td>readTimeoutMillis</td> > > > + <td>integer</td> > > > + <td>The socket read timeout in milliseconds. Optional, > > > default is 0 (infinite timeout).</td> > > > + </tr> > > > + <tr> > > > + <td>headers</td> > > > + <td>Property[]</td> > > > + <td>Additional HTTP headers to use. The values support > <a > > > href="lookups.html">lookups</a></td> > > > + </tr> > > > + <tr> > > > + <td>ignoreExceptions</td> > > > + <td>boolean</td> > > > + <td>The default is <code>true</code>, causing exceptions > > > encountered while appending events to be > > > + internally logged and then ignored. When set to > > > <code>false</code> exceptions will be propagated to the > > > + caller, instead. You must set this to > <code>false</code> > > > when wrapping this Appender in a > > > + <a href="#FailoverAppender"> > FailoverAppender</a>.</td> > > > + </tr> > > > + </table> > > > + <p> > > > + Here is a sample HttpAppender configuration snippet: > > > + </p> > > > + <pre class="prettyprint linenums"><![CDATA[<?xml > version="1.0" > > > encoding="UTF-8"?> > > > + ... > > > + <Appenders> > > > + <Http name="Http" url="http://localhost:9200/test/log4j/";> > > > + <Property name="X-Java-Runtime" value="$${java:runtime}" /> > > > + <JsonLayout properties="true"/> > > > + </Http> > > > + </Appenders>]]></pre> > > > + </subsection> > > > <a name="KafkaAppender"/> > > > <subsection name="KafkaAppender"> > > > <p> > > > > > > > > > > > > -- > > Matt Sicker <boa...@gmail.com> > > > > > > -- > [image: MagineTV] > > *Mikael Ståldal* > Senior software developer > > *Magine TV* > mikael.stal...@magine.com > Grev Turegatan 3 | 114 46 Stockholm, Sweden | www.magine.com > > Privileged and/or Confidential Information may be contained in this > message. If you are not the addressee indicated in this message > (or responsible for delivery of the message to such a person), you may not > copy or deliver this message to anyone. In such case, > you should destroy this message and kindly notify the sender by reply > email. > -- Matt Sicker <boa...@gmail.com>
