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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 28869] New: - Unmatched brackets in i18n dictionary cause OutOfMemoryError
Date Mon, 10 May 2004 13:30:05 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=28869

Unmatched brackets in i18n dictionary cause OutOfMemoryError

           Summary: Unmatched brackets in i18n dictionary cause
                    OutOfMemoryError
           Product: Cocoon 2
           Version: 2.1.3
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: Critical
          Priority: Other
         Component: core
        AssignedTo: dev@cocoon.apache.org
        ReportedBy: John.Webber@jentro.com


Running Cocoon 2.1.3 on Tomcat 4.1.12-LE-jdk14, SuSE Linux Pro 8.2.  Create an
i18n dictionary entry like this (note the unmatched bracket):
<entry>
  <key>Test</key>
  <translation lang="en">This is a {0]</translation>
</entry> 
If a page is called which references this translation, the browser "load" icon
spins; Tomcat claims more and more memory until it quits with a
java.lang.OutOfMemoryError (stack trace below).

The I18nTransfomer uses a java.text.MessageFormat to parse the parameters; this
class throws an IllegalArgumentException if it finds unmatched brackets. I
suspect that this exception is being swallowed somewhere instead of being
rethrown. Obviously this bug is caused by user (i.e. developer) error, but it
would be nice if the exception were cleanly rethrown - this cost me and a
colleague 2 hours Friday afternoon trying to find the bug!

John Webber

The stack trace in Tomcat:

2004-05-10 15:07:35 StandardWrapperValve[Cocoon]: Servlet.service() for servlet
Cocoon threw exception
javax.servlet.ServletException: Servlet execution threw an exception
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
        at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
        at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2396)
        at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
        at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
        at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
        at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:469)
        at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
        at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
        at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:405)
        at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:380)
        at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:508)
        at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:533)
        at java.lang.Thread.run(Thread.java:534)
----- Root Cause -----
java.lang.OutOfMemoryError

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