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Posted to dev@felix.apache.org by "Jan Hendriks (JIRA)" <ji...@apache.org> on 2019/04/03 10:16:03 UTC

[jira] [Commented] (FELIX-6088) NPE in LoggerImpl when formatted logger called with null or empty arguments

    [ https://issues.apache.org/jira/browse/FELIX-6088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16808576#comment-16808576 ] 

Jan Hendriks commented on FELIX-6088:
-------------------------------------

Pull-Request: [https://github.com/apache/felix/pull/195]

> NPE in LoggerImpl when formatted logger called with null or empty arguments 
> ----------------------------------------------------------------------------
>
>                 Key: FELIX-6088
>                 URL: https://issues.apache.org/jira/browse/FELIX-6088
>             Project: Felix
>          Issue Type: Bug
>          Components: Log Service
>    Affects Versions: log-1.2.0
>            Reporter: Jan Hendriks
>            Priority: Major
>              Labels: NPE, logger, logging
>
> When calling the "formatter" logger with null or empty arguments like the following sample code (using bnd launchpad):
> {code:java}
> import org.junit.Test;
> import org.osgi.service.log.Logger;
> import org.osgi.service.log.LoggerFactory;
> import aQute.launchpad.Launchpad;
> import aQute.launchpad.LaunchpadBuilder;
> public class FelixLoggerTest {
>     @Test
>     public void letApacheFelixLogThrowNPE() throws Exception {
>         try (final Launchpad launchpad = new LaunchpadBuilder().runfw("org.apache.felix.framework").bundles("org.apache.felix.log;version='[1.2.0,1.2.1)'").create()) {
>             LoggerFactory osgiLoggerFactory = launchpad.getService(LoggerFactory.class).get();
>             Logger osgiLogger = osgiLoggerFactory.getLogger(getClass().getName());
>             osgiLogger.info("Test formatted logging...", new Object[0]); // throws NPE
>             osgiLogger.debug("Test formatted logging...", null); // throws NPE
>         }
>     }
> }
> {code}
> following NPE is thrown:
> {noformat}
> java.lang.NullPointerException
> at org.apache.felix.log.LoggerImpl.format(LoggerImpl.java:335)
> at org.apache.felix.log.LoggerImpl.info(LoggerImpl.java:164)
> at com.[REDACTED].run.FelixLoggerTest.letApacheFelixLogThrowNPE(FelixLoggerTest.java:21)
> 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.InvokeMethod.evaluate(InvokeMethod.java:17)
> 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.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:89)
> at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:41)
> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:541)
> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:763)
> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:463)
> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:209)
> {noformat}



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