0004298: Intermittent Errors in Proxy Cache

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Category

Severity

Reproducibility

Date Submitted

Last Update

0004298

[Resin]

minor

sometimes

11-18-10 08:59

01-10-11 16:59

Reporter

reza

View Status

public

Assigned To

ferg

Priority

normal

Resolution

fixed

Platform

Status

closed

Projection

none

OS Version

ETA

none

Fixed in Version

4.0.15

Product Version

4.0.12

Product Build

Summary

0004298: Intermittent Errors in Proxy Cache

Description

The proxy cache is occasionally generating exceptions to the log. The following are the exceptions:

================================================================================
java.lang.IllegalStateException: response cannot be reset() after committed
                                at com.caucho.server.http.HttpServletResponseImpl.reset(HttpServletResponseImpl.java:255)
                                at com.caucho.server.http.HttpServletResponseImpl.reset(HttpServletResponseImpl.java:243)
                                at com.caucho.server.http.CauchoResponseWrapper.reset(CauchoResponseWrapper.java:152)
                                at com.caucho.server.cache.ProxyCacheFilterChain.resetResponse(ProxyCacheFilterChain.java:546)
                                at com.caucho.server.cache.ProxyCacheFilterChain.fillFromCache(ProxyCacheFilterChain.java:428)
                                at com.caucho.server.cache.ProxyCacheResponse.writeHeaders(ProxyCacheResponse.java:155)
                                at com.caucho.server.http.ResponseStream.writeHeaders(ResponseStream.java:279)
                                at com.caucho.server.http.HttpResponseStream.writeHeaders(HttpResponseStream.java:82)
                                at com.caucho.server.http.ToByteResponseStream.flushByteBuffer(ToByteResponseStream.java:549)
                                at com.caucho.server.http.ToByteResponseStream.flushBuffer(ToByteResponseStream.java:605)
                                at com.caucho.server.http.ResponseStream.closeImpl(ResponseStream.java:644)
                                at com.caucho.server.http.AbstractResponseStream.close(AbstractResponseStream.java:350)
                                at com.caucho.server.http.AbstractHttpResponse.finishInvocation(AbstractHttpResponse.java:973)
                                at com.caucho.server.http.AbstractHttpResponse.close(AbstractHttpResponse.java:912)
                                at com.caucho.server.http.HttpServletResponseImpl.close(HttpServletResponseImpl.java:1469)
                                at com.caucho.server.webapp.RequestDispatcherImpl.finishResponse(RequestDispatcherImpl.java:304)
                                at com.caucho.server.webapp.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:284)
                                at com.caucho.server.webapp.RequestDispatcherImpl.dispatch(RequestDispatcherImpl.java:120)
                                at com.caucho.server.dispatch.RewriteDispatchFilterChain.doFilter(RewriteDispatchFilterChain.java:82)
                                at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:183)
                                at com.caucho.server.cache.ProxyCacheFilterChain.doFilter(ProxyCacheFilterChain.java:199)
                                at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:287)
                                at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:792)
                                at com.caucho.network.listen.TcpSocketLink.dispatchRequest(TcpSocketLink.java:675)
                                at com.caucho.network.listen.TcpSocketLink.handleRequestsImpl(TcpSocketLink.java:637)
                                at com.caucho.network.listen.TcpSocketLink.handleRequests(TcpSocketLink.java:588)
                                at com.caucho.network.listen.TcpSocketLink$AcceptTask.doTask(TcpSocketLink.java:1175)
                                at com.caucho.network.listen.TcpSocketLink$ConnectionReadTask.runThread(TcpSocketLink.java:1108)
                                at com.caucho.network.listen.TcpSocketLink$AcceptTask.run(TcpSocketLink.java:1142)
                                at com.caucho.env.thread.ResinThread.runTasks(ResinThread.java:182)
                                at com.caucho.env.thread.ResinThread.run(ResinThread.java:126)
================================================================================
java.lang.NullPointerException
                                at java.io.FilterInputStream.close(FilterInputStream.java:155)
                                at sun.net.www.protocol.jar.JarURLConnection$JarURLInputStream.close(JarURLConnection.java:90)
                                at com.caucho.rewrite.WelcomeFile.matchWelcomeUri(WelcomeFile.java:205)
                                at com.caucho.rewrite.WelcomeFile.matchWelcomeFileResource(WelcomeFile.java:144)
                                at com.caucho.rewrite.WelcomeFile.map(WelcomeFile.java:124)
                                at com.caucho.server.rewrite.RewriteDispatch.mapChain(RewriteDispatch.java:256)
                                at com.caucho.server.rewrite.RewriteDispatch.map(RewriteDispatch.java:209)
                                at com.caucho.server.webapp.WebApp.buildInvocation(WebApp.java:3375)
                                at com.caucho.server.webapp.WebAppContainer.buildInvocation(WebAppContainer.java:765)
                                at com.caucho.server.host.Host.buildInvocation(Host.java:753)
                                at com.caucho.server.host.HostContainer.buildInvocation(HostContainer.java:319)
                                at com.caucho.server.cluster.Server.buildInvocation(Server.java:901)
                                at com.caucho.server.dispatch.InvocationServer.buildInvocation(InvocationServer.java:247)
                                at com.caucho.server.dispatch.InvocationServer.buildInvocation(InvocationServer.java:220)
                                at com.caucho.server.http.AbstractHttpRequest.buildInvocation(AbstractHttpRequest.java:1471)
                                at com.caucho.server.http.AbstractHttpRequest.getInvocation(AbstractHttpRequest.java:1444)
                                at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:779)
                                at com.caucho.network.listen.TcpSocketLink.dispatchRequest(TcpSocketLink.java:675)
                                at com.caucho.network.listen.TcpSocketLink.handleRequestsImpl(TcpSocketLink.java:637)
                                at com.caucho.network.listen.TcpSocketLink.handleRequests(TcpSocketLink.java:588)
                                at com.caucho.network.listen.TcpSocketLink$AcceptTask.doTask(TcpSocketLink.java:1175)
                                at com.caucho.network.listen.TcpSocketLink$ConnectionReadTask.runThread(TcpSocketLink.java:1108)
                                at com.caucho.network.listen.TcpSocketLink$AcceptTask.run(TcpSocketLink.java:1142)
                                at com.caucho.env.thread.ResinThread.runTasks(ResinThread.java:182)
                                at com.caucho.env.thread.ResinThread.run(ResinThread.java:126)
================================================================================

The "webchk" URL is defined as such:

<rewrite-real-path>
  <real-path regexp="^/webchk" target="/usr/local/www/webchk"/>
</rewrite-real-path>

Attached is a detailed log. This may be an issue related to sending 403 NotModified responses to the load-balancer instead of 200 OK.

Steps To Reproduce

Additional Information

Attached Files

web-tier-stdout.log [^] (375,912 bytes) 11-18-10 08:59

Relationships

Notes
(0004903) ferg 01-10-11 16:59	server/2he3

Issue History
Date Modified	Username	Field	Change
11-18-10 08:59	reza	New Issue
11-18-10 08:59	reza	File Added: web-tier-stdout.log
11-29-10 14:13	jnovak	Issue Monitored: jnovak
01-10-11 16:59	ferg	Note Added: 0004903
01-10-11 16:59	ferg	Assigned To	=> ferg
01-10-11 16:59	ferg	Status	new => closed
01-10-11 16:59	ferg	Resolution	open => fixed
01-10-11 16:59	ferg	Fixed in Version	=> 4.0.15

Mantis 1.0.0rc3[^]

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