Critical Description
As a consequence I got hit in the LaTeX Extension, which, from time to time generate this error:
interface org.xwiki.contrib.latex.internal.output.LaTeXOutputFilter is not visible from class loader
class java.lang.IllegalArgumentException: interface org.xwiki.contrib.latex.internal.output.LaTeXOutputFilter is not visible from class loader
at java.lang.reflect.Proxy$ProxyClassFactory.apply(Proxy.java:581)
at java.lang.reflect.Proxy$ProxyClassFactory.apply(Proxy.java:557)
at java.lang.reflect.WeakCache$Factory.get(WeakCache.java:230)
at java.lang.reflect.WeakCache.get(WeakCache.java:127)
at java.lang.reflect.Proxy.getProxyClass0(Proxy.java:419)
at java.lang.reflect.Proxy.newProxyInstance(Proxy.java:719)
at org.xwiki.filter.internal.DefaultFilterDescriptorManager.createCompositeFilter(DefaultFilterDescriptorManager.java:370)
at org.xwiki.filter.internal.DefaultFilterDescriptorManager.createCompositeFilter(DefaultFilterDescriptorManager.java:359)
at org.xwiki.contrib.latex.internal.output.LaTeXOutputFilterStream.createFilter(LaTeXOutputFilterStream.java:215)
The issue seems to be that Job framework reuses threads and if the JVM gives a thread that's been already used and for which a Thread Context CL has already been set, then when AbstractJob executes and recreates the context, ThreadClassloaderExecutionContextInitializer is called but doesn't set a new Thread Context CL since there's one already.
OTOH if the JVM gives a new thread that's not been used, then it's set correctly and the LaTeX export works fine.
Attachments
Issue Links
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LATEX-101 "LaTeXOutputFilter is not visible from class loader" error
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- Closed
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