https://issues.apache.org/bugzilla/show_bug.cgi?id=47703
Summary: Object rendering ought to be done outside
synchronization
Product: Log4j
Version: unspecified
Platform: PC
OS/Version: Windows XP
Status: NEW
Severity: normal
Priority: P2
Component: Appender
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from Tim Boemker <[email protected]> 2009-08-18 08:44:44 PDT ---
I think that log4j assumes that ObjectRenderer.doRender completes quickly and
cannot block. If so, then the assumption should be stated. (Even if so,
perhaps the implementation could be changed to eliminate the assumption.)
Here is a partial stack trace showing how that assumption--if, indeed, it is an
assumption--might inadvertently be violated:
at org.hibernate.loader.Loader.loadCollection(Loader.java:1994)
at
org.hibernate.loader.collection.CollectionLoader.initialize(CollectionLoader.java:36)
at
org.hibernate.persister.collection.AbstractCollectionPersister.initialize(AbstractCollectionPersister.java:565)
at
org.hibernate.event.def.DefaultInitializeCollectionEventListener.onInitializeCollection(DefaultInitializeCollectionEventListener.java:60)
at
org.hibernate.impl.SessionImpl.initializeCollection(SessionImpl.java:1716)
at
org.hibernate.collection.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:344)
at
org.hibernate.collection.AbstractPersistentCollection.read(AbstractPersistentCollection.java:86)
at
org.hibernate.collection.PersistentSet.toString(PersistentSet.java:309)
at java.util.Formatter$FormatSpecifier.printString(Formatter.java:2790)
at java.util.Formatter$FormatSpecifier.print(Formatter.java:2673)
at java.util.Formatter.format(Formatter.java:2430)
at java.util.Formatter.format(Formatter.java:2364)
at java.lang.String.format(String.java:2558)
at com.eLynx.Context.SessionContext.render(SessionContext.java:1062)
at com.eLynx.logging.Renderer.doRender(Renderer.java:32)
at org.apache.log4j.or.RendererMap.findAndRender(RendererMap.java:79)
at
org.apache.log4j.spi.LoggingEvent.getRenderedMessage(LoggingEvent.java:297)
at
org.apache.log4j.helpers.PatternParser$BasicPatternConverter.convert(PatternParser.java:403)
at
org.apache.log4j.helpers.PatternConverter.format(PatternConverter.java:64)
at org.apache.log4j.PatternLayout.format(PatternLayout.java:503)
at org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:301)
at
org.apache.log4j.DailyRollingFileAppender.subAppend(DailyRollingFileAppender.java:358)
at org.apache.log4j.WriterAppender.append(WriterAppender.java:159)
at
org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:230)
at
org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:65)
at org.apache.log4j.Category.callAppenders(Category.java:203)
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