[ 
https://issues.apache.org/jira/browse/GEODE-6122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16723197#comment-16723197
 ] 

ASF subversion and git services commented on GEODE-6122:
--------------------------------------------------------

Commit 66dd66d51f8acf49f3ef11f6e1124cce2c36f052 in geode's branch 
refs/heads/develop from [~apa...@the9muses.net]
[ https://gitbox.apache.org/repos/asf?p=geode.git;h=66dd66d ]

GEODE-6122: Use LogWriterLevel instead of InternalLogWriter

Use LogWriterLevel enum instead of InternalLogWriter constants.


> Log4j core should be optional
> -----------------------------
>
>                 Key: GEODE-6122
>                 URL: https://issues.apache.org/jira/browse/GEODE-6122
>             Project: Geode
>          Issue Type: Bug
>          Components: logging
>            Reporter: Kirk Lund
>            Assignee: Kirk Lund
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.9.0
>
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
>
> A simple test of Geode without log4j core on the classpath results in the 
> following log statement and stack trace:
> {noformat}
> ERROR StatusLogger Log4j2 could not find a logging implementation. Please add 
> log4j-core to the classpath. Using SimpleLogger to log to the console...
> {noformat}
> {noformat}
> java.lang.NoClassDefFoundError: org/apache/logging/log4j/core/Logger
>       at 
> org.apache.geode.internal.logging.log4j.Log4jAgent.getRootLoggerContext(Log4jAgent.java:89)
>       at 
> org.apache.geode.internal.logging.log4j.Log4jAgent.getConfiguration(Log4jAgent.java:93)
>       at 
> org.apache.geode.internal.logging.log4j.Log4jAgent.isUsingGemFireDefaultConfig(Log4jAgent.java:78)
>       at 
> org.apache.geode.internal.logging.log4j.Log4jAgent.shouldUpdateLogLevels(Log4jAgent.java:127)
>       at 
> org.apache.geode.internal.logging.log4j.Log4jAgent.configure(Log4jAgent.java:105)
>       at 
> org.apache.geode.internal.logging.Configuration.configChanged(Configuration.java:175)
>       at 
> org.apache.geode.internal.logging.Configuration.initialize(Configuration.java:164)
>       at 
> org.apache.geode.internal.logging.LoggingSession.createSession(LoggingSession.java:66)
>       at 
> org.apache.geode.distributed.internal.InternalDistributedSystem.initialize(InternalDistributedSystem.java:663)
>       at 
> org.apache.geode.distributed.internal.InternalDistributedSystem.newInstance(InternalDistributedSystem.java:369)
>       at 
> org.apache.geode.distributed.internal.InternalDistributedSystem.newInstance(InternalDistributedSystem.java:357)
>       at 
> org.apache.geode.distributed.internal.InternalDistributedSystem.newInstance(InternalDistributedSystem.java:349)
>       at 
> org.apache.geode.distributed.DistributedSystem.connect(DistributedSystem.java:215)
>       at org.apache.geode.cache.CacheFactory.create(CacheFactory.java:218)
>       at 
> io.github.kirklund.geode.GeodeApplicationIntegrationTest.setUp(GeodeApplicationIntegrationTest.java:34)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:498)
>       at 
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
>       at 
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>       at 
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
>       at 
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
>       at 
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
>       at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
>       at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
>       at 
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
>       at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
>       at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
>       at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
>       at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
>       at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
>       at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
>       at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
>       at 
> com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
>       at 
> com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
>       at 
> com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
>       at 
> com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
> Caused by: java.lang.ClassNotFoundException: 
> org.apache.logging.log4j.core.Logger
>       at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
>       at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
>       at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
>       at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>       ... 38 more
> {noformat}



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