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https://issues.apache.org/jira/browse/XMLBEANS-616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17566577#comment-17566577
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yanglinfu commented on XMLBEANS-616:
------------------------------------
[~dominik.stad...@gmx.at] hi, i am sorry to answer your question too late。The
thread state is RUNNABLE but it is in Object.wait(), that means its wait set
for moitor lock.
> is there a dead lock in loading the SOAP Service Concurrently
> -------------------------------------------------------------
>
> Key: XMLBEANS-616
> URL: https://issues.apache.org/jira/browse/XMLBEANS-616
> Project: XMLBeans
> Issue Type: Bug
> Reporter: yanglinfu
> Priority: Major
> Attachments: 007337a1-7e50-40bc-ac1f-d2ebd469f095.png,
> 2a6c2727-50e1-4ccc-a2f5-33abd746117a.png,
> 40f87ce3-cbcd-495e-9ce7-0ae861a3bdb7.png,
> b3d30bc4-a060-419a-b990-503b188fe262.png, image-2022-07-14-09-54-42-466.png,
> image-2022-07-14-09-55-15-029.png
>
>
> *i have 10 threads to loading the SOAP Service Concurrently,and i find a dead
> lock in xmlBeans's some class loading process.*
> Thread1 info:
> "pool-13-thread-9" #120 prio=5 os_prio=0 tid=0x00002ae578872800 nid=0x19b4 in
> Object.wait() [0x00002ae5c1814000]
> java.lang.Thread.State: RUNNABLE
> at org.apache.xmlbeans.XmlBeans.getNoType(XmlBeans.java:504)
> at org.apache.xmlbeans.XmlBeans.<clinit>(XmlBeans.java:517)
> at
> org.apache.xmlbeans.impl.schema.XmlObjectFactory.<init>(XmlObjectFactory.java:41)
> at org.apache.xmlbeans.XmlObject.<clinit>(XmlObject.java:128)
> at sun.misc.Unsafe.ensureClassInitialized(Native Method)
> at
> sun.reflect.UnsafeFieldAccessorFactory.newFieldAccessor(UnsafeFieldAccessorFactory.java:43)
> at
> sun.reflect.ReflectionFactory.newFieldAccessor(ReflectionFactory.java:156)
> at java.lang.reflect.Field.acquireFieldAccessor(Field.java:1088)
> at java.lang.reflect.Field.getFieldAccessor(Field.java:1069)
> at java.lang.reflect.Field.get(Field.java:393)
>
> Thread2 info :
> "pool-13-thread-1" #112 prio=5 os_prio=0 tid=0x00002ae578861800 nid=0x19ab in
> Object.wait() [0x00002ae5c100c000]
> java.lang.Thread.State: RUNNABLE
> at
> org.apache.xmlbeans.impl.schema.SchemaTypeLoaderBase.<clinit>(SchemaTypeLoaderBase.java:38)
> at
> com.***.***.service.QueryRecommendOfferingsReqMsgDocument.<clinit>(QueryRecommendOfferingsReqMsgDocument.java:23)
> at sun.misc.Unsafe.ensureClassInitialized(Native Method)
> at
> sun.reflect.UnsafeFieldAccessorFactory.newFieldAccessor(UnsafeFieldAccessorFactory.java:43)
> at
> sun.reflect.ReflectionFactory.newFieldAccessor(ReflectionFactory.java:156)
> at java.lang.reflect.Field.acquireFieldAccessor(Field.java:1088)
> at java.lang.reflect.Field.getFieldAccessor(Field.java:1069)
> at java.lang.reflect.Field.get(Field.java:393)
>
> *xmlBeans code analyze*
> 1.the object XmlBeans init is waiting for BuiltinSchemaTypeSystem inited
> !007337a1-7e50-40bc-ac1f-d2ebd469f095.png!
> 2. BuiltinSchemaTypeSystem is the sub class of SchemaTypeLoaderBase ,so
> BuiltinSchemaTypeSystem is inited after SchemaTypeLoaderBase ;
> !b3d30bc4-a060-419a-b990-503b188fe262.png!
> 3. SchemaTypeLoaderBase init is need XmlBeans init in line 38;
>
> !2a6c2727-50e1-4ccc-a2f5-33abd746117a.png!
>
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