APR transport on FreeBSD throwing Exceptions
--------------------------------------------
Key: DIRMINA-683
URL: https://issues.apache.org/jira/browse/DIRMINA-683
Project: MINA
Issue Type: Bug
Components: Transport
Affects Versions: 2.0.0-M3
Environment: FreeBSD 7.1, JDK 1.6, APR 1.3.3, Tomcat Native APR
1.1.16, Tomcat 5.5.27
Reporter: Adam Brown
When running our MINA-based application on the specified configuration, we see
the following errors in our logs and the application does not properly service
network requests:
2009-04-07 09:42:15,020 [AprIoProcessor-33] ERROR <removed> - Unexpected
Exception:
java.io.IOException: Unknown error: -70015 (code: 70015)
at
org.apache.mina.transport.socket.apr.AprIoProcessor.throwException(AprIoProcessor.java:408)
at
org.apache.mina.transport.socket.apr.AprIoProcessor.setInterestedInWrite(AprIoProcessor.java:318)
at
org.apache.mina.transport.socket.apr.AprIoProcessor.setInterestedInWrite(AprIoProcessor.java:1)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.flushNow(AbstractPollingIoProcessor.java:692)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.flush(AbstractPollingIoProcessor.java:621)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.access$8(AbstractPollingIoProcessor.java:608)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor$Worker.run(AbstractPollingIoProcessor.java:861)
at
org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:51)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
2009-04-07 09:42:15,119 [AprIoProcessor-33] ERROR <removed> onException called:
originUrl= <removed> notifiedOfResponse= false session= 448974723
2009-04-07 09:42:15,123 [AprIoProcessor-33] ERROR <removed> - Exception thrown
from downloader
<removed>.DownloadException: An exception occurred while attempting to download
<removed>
at <removed>
at
org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.exceptionCaught(DefaultIoFilterChain.java:733)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextExceptionCaught(DefaultIoFilterChain.java:455)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.access$4(DefaultIoFilterChain.java:449)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.exceptionCaught(DefaultIoFilterChain.java:827)
at
org.apache.mina.core.filterchain.IoFilterAdapter.exceptionCaught(IoFilterAdapter.java:80)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextExceptionCaught(DefaultIoFilterChain.java:455)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.access$4(DefaultIoFilterChain.java:449)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.exceptionCaught(DefaultIoFilterChain.java:827)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain$HeadFilter.exceptionCaught(DefaultIoFilterChain.java:610)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextExceptionCaught(DefaultIoFilterChain.java:455)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.fireExceptionCaught(DefaultIoFilterChain.java:446)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.flushNow(AbstractPollingIoProcessor.java:728)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.flush(AbstractPollingIoProcessor.java:621)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.access$8(AbstractPollingIoProcessor.java:608)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor$Worker.run(AbstractPollingIoProcessor.java:861)
at
org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:51)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.io.IOException: Unknown error: -70015 (code: 70015)
at
org.apache.mina.transport.socket.apr.AprIoProcessor.throwException(AprIoProcessor.java:408)
at
org.apache.mina.transport.socket.apr.AprIoProcessor.setInterestedInWrite(AprIoProcessor.java:318)
at
org.apache.mina.transport.socket.apr.AprIoProcessor.setInterestedInWrite(AprIoProcessor.java:1)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.flushNow(AbstractPollingIoProcessor.java:692)
... 7 more
2009-04-07 09:42:15,228 [AprIoProcessor-33] ERROR <removed> - Unexpected
Exception:
org.apache.mina.core.write.WriteToClosedSessionException
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.clearWriteRequestQueue(AbstractPollingIoProcessor.java:521)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.removeNow(AbstractPollingIoProcessor.java:476)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.remove(AbstractPollingIoProcessor.java:455)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.access$9(AbstractPollingIoProcessor.java:443)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor$Worker.run(AbstractPollingIoProcessor.java:862)
at
org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:51)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
2009-04-07 09:42:15,229 [AprIoProcessor-33] ERROR <removed> - Unexpected
Exception:
java.io.IOException: Unknown error: -70015 (code: 70015)
at
org.apache.mina.transport.socket.apr.AprIoProcessor.throwException(AprIoProcessor.java:408)
at
org.apache.mina.transport.socket.apr.AprIoProcessor.destroy(AprIoProcessor.java:240)
at
org.apache.mina.transport.socket.apr.AprIoProcessor.destroy(AprIoProcessor.java:1)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.removeNow(AbstractPollingIoProcessor.java:479)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.remove(AbstractPollingIoProcessor.java:455)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor.access$9(AbstractPollingIoProcessor.java:443)
at
org.apache.mina.core.polling.AbstractPollingIoProcessor$Worker.run(AbstractPollingIoProcessor.java:862)
at
org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:51)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
The error code -70015 corresponds to APR_NOTFOUND. I've also tracked it down
into the APR code, and it looks like the problem comes from the kevent syscall
returning ENOENT when MINA is doing the Poll.remove() call.
I should note that the same code functions "normally" on Linux using the APR
Transport, so I'm not sure if the problem is MINA's use of APR or APR's use of
kqueue/kevent on FreeBSD.
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