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Blocked Threads on com.sun.org.apache.xerces.internal.utils.ObjectFactory.findProviderClass (Doc ID 2707492.1)

Last updated on SEPTEMBER 07, 2020

Applies to:

Oracle FLEXCUBE Direct Banking - Version DB 12.0.3 to DB 12.0.3 [Release DB 12]
Information in this document applies to any platform.

Symptoms

ACTUAL BEHAVIOR
---------------
FCDB application becomes slow during day. With Many blocked Threads .

Based on review of java Core / Threads dumps thread(s) are blocked on below class loader.

 

java.lang.Thread.State: BLOCKED (on object monitor)

at java.lang.ClassLoader.loadClass(ClassLoader.java:405)

- waiting to lock <0x0000000500617478> (a weblogic.utils.classloaders.GenericClassLoader)

at java.lang.ClassLoader.loadClass(ClassLoader.java:358)

at weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoader.java:179)

at com.sun.org.apache.xerces.internal.utils.ObjectFactory.findProviderClass(ObjectFactory.java:322)

at com.sun.org.apache.xerces.internal.utils.ObjectFactory.newInstance(ObjectFactory.java:270)

at com.sun.org.apache.xerces.internal.utils.ObjectFactory.newInstance(ObjectFactory.java:256)

at com.sun.org.apache.xerces.internal.impl.dv.DTDDVFactory.getInstance(DTDDVFactory.java:63)

at com.sun.org.apache.xerces.internal.impl.dv.DTDDVFactory.getInstance(DTDDVFactory.java:49)

at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.<init>(XML11Configuration.java:578)

at com.sun.org.apache.xerces.internal.parsers.XIncludeAwareParserConfiguration.<init>(XIncludeAwareParserConfiguration.java:130)

at com.sun.org.apache.xerces.internal.parsers.XIncludeAwareParserConfiguration.<init>(XIncludeAwareParserConfiguration.java:91)

at com.sun.org.apache.xerces.internal.parsers.DOMParser.<init>(DOMParser.java:144)

at com.sun.org.apache.xerces.internal.parsers.DOMParser.<init>(DOMParser.java:128)

at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.<init>(DocumentBuilderImpl.java:135)

at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.<init>(DocumentBuilderImpl.java:128)

at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl.setAttribute(DocumentBuilderFactoryImpl.java:112)

at weblogic.xml.jaxp.WebLogicDocumentBuilderFactory.<init>(WebLogicDocumentBuilderFactory.java:65)

at weblogic.xml.jaxp.RegistryDocumentBuilder.getDefaultDocumentBuilderFactory(RegistryDocumentBuilder.java:413)

at weblogic.xml.jaxp.RegistryDocumentBuilder.getDocumentBuilder(RegistryDocumentBuilder

 



EXPECTED BEHAVIOR
-----------------------

FCDB Application should not face slowness and there should not be any blocked threads on JVM.

STEPS
-----------------------
since this is reported under high load conditions this cannot be reproduced .

BUSINESS IMPACT
-----------------------
The issue has the following business impact:
FCDB application may be slow or unavailable

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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