https://issues.apache.org/bugzilla/show_bug.cgi?id=55533
Bug ID: 55533
Summary: ProxyDirContext throws null pointer exception on
reloaded context
Product: Tomcat 7
Version: 7.0.41
Hardware: Macintosh
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: mattha...@gmail.com
This looks to be a repeat of bug #24588, from some time ago...
I am actually able to reproduce this same issue consistently on tomcat 7.0.41
whenever I make a request on a reloaded context.
1) Deploy war (unpacked) onto tomcat (embedded,
org.apache.catalina.startup.Tomcat) with context set to reloadable
2) Make requests to webapp, works fine
3) Recompile war to trigger context reload
4) Each request to webapp gives this stacktrace
2013-09-06 22:32:35,093 [http-nio-8080-exec-8] ERROR
org.apache.coyote.http11.Http11NioProcessor - Error processing request
java.lang.NullPointerException
at
org.apache.naming.resources.ProxyDirContext.cacheLoad(ProxyDirContext.java:1660)
at
org.apache.naming.resources.ProxyDirContext.cacheLookup(ProxyDirContext.java:1536)
at
org.apache.naming.resources.ProxyDirContext.lookup(ProxyDirContext.java:297)
at
org.apache.tomcat.util.http.mapper.Mapper.internalMapWrapper(Mapper.java:1009)
at org.apache.tomcat.util.http.mapper.Mapper.internalMap(Mapper.java:821)
at org.apache.tomcat.util.http.mapper.Mapper.map(Mapper.java:684)
at
org.apache.catalina.connector.CoyoteAdapter.postParseRequest(CoyoteAdapter.java:647)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:403)
at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1686)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)
Checked, and it is failing on the same line:
int n = is.read(b, pos, length - pos);
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