Oracle CEP11gR1 (11.1.1.7.0) Services Stop After Running For 1 Week And Server Leaves Lot of File Descriptors With Description "can't identify protocol" (Doc ID 1937517.1)

Last updated on MARCH 22, 2016

Applies to:

Oracle Event Processing - Version 11.1.1.7.0 and later
Information in this document applies to any platform.

Symptoms

Occasonally CEP 11.1.1.7 leaves lot of open files with "can't identify protocol" and over time it results Too many open files error such as this:

SEVERE: [Apr 14, 2014 7:20:55 PM] FrameWorkLogger: Bundle com.bea.core.netio: Error: java.io.IOException: Exception in opening zip file: /home/oracle/Oracle/Middleware/modules/com.bea.core.netio_8.0.0.0.jar
java.io.IOException: Exception in opening zip file: /home/oracle/Oracle/Middleware/modules/com.bea.core.netio_8.0.0.0.jar
at org.eclipse.osgi.framework.util.SecureAction.getZipFile(SecureAction.java:268)
at org.eclipse.osgi.baseadaptor.bundlefile.ZipBundleFile.basicOpen(ZipBundleFile.java:88)
at org.eclipse.osgi.baseadaptor.bundlefile.ZipBundleFile.getZipFile(ZipBundleFile.java:101)
at org.eclipse.osgi.baseadaptor.bundlefile.ZipBundleFile.checkedOpen(ZipBundleFile.java:74)
at org.eclipse.osgi.baseadaptor.bundlefile.ZipBundleFile.getEntry(ZipBundleFile.java:246)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findClassImpl(ClasspathManager.java:531)
.................
Caused by: java.io.IOException: Error opening file
at java.util.zip.ZipFile.open(Native Method)
at java.util.zip.ZipFile.(ZipFile.java:117)
at java.util.zip.ZipFile.(ZipFile.java:133)
at org.eclipse.osgi.framework.util.SecureAction.getZipFile(SecureAction.java:251)
... 29 more



STEPS

The issue can be reproduced at will by in some customer environments where JRockit has been used


BUSINESS IMPACT

Due to this issue, the CEP environment becomes less stable than expected.

Cause

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