Deadlock with GenericPreparedStatement
--------------------------------------
Key: DERBY-2689
URL: https://issues.apache.org/jira/browse/DERBY-2689
Project: Derby
Issue Type: Bug
Components: JDBC
Environment: Windows
Reporter: Marc Ewert
Fix For: 10.2.2.0
We encountered two times a deadlock inside of derby. It seems that we can't
workaround it. The involved two threads are attached, it looks like a classical
deadlock:
"Thread-22" daemon prio=6 tid=0x0cdaa400 nid=0x1c0 waiting for monitor entry
[0x1317f000..0x1317fd4c]
java.lang.Thread.State: BLOCKED (on object monitor)
at org.apache.derby.impl.sql.GenericPreparedStatement.finish(Unknown
Source)
- waiting to lock <0x052f4d70> (a
org.apache.derby.impl.sql.GenericPreparedStatement)
at org.apache.derby.impl.sql.execute.BaseActivation.close(Unknown
Source)
at
org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.addActivation(Unknown
Source)
at
org.apache.derby.impl.sql.execute.BaseActivation.initFromContext(Unknown Source)
at
org.apache.derby.impl.services.reflect.LoadedGeneratedClass.newInstance(Unknown
Source)
at
org.apache.derby.impl.services.reflect.ReflectGeneratedClass.newInstance(Unknown
Source)
at org.apache.derby.impl.sql.GenericActivationHolder.<init>(Unknown
Source)
at
org.apache.derby.impl.sql.GenericPreparedStatement.getActivation(Unknown Source)
- locked <0x05306f88> (a
org.apache.derby.impl.sql.GenericPreparedStatement)
at org.apache.derby.impl.jdbc.EmbedPreparedStatement.<init>(Unknown
Source)
at org.apache.derby.impl.jdbc.EmbedPreparedStatement20.<init>(Unknown
Source)
at org.apache.derby.impl.jdbc.EmbedPreparedStatement30.<init>(Unknown
Source)
at org.apache.derby.impl.jdbc.EmbedPreparedStatement40.<init>(Unknown
Source)
at org.apache.derby.jdbc.Driver40.newEmbedPreparedStatement(Unknown
Source)
at org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(Unknown
Source)
- locked <0x047beb00> (a org.apache.derby.impl.jdbc.EmbedConnection40)
at org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(Unknown
Source)
[custom methods]
"ThreadPoolThread-SyncScheduler-3-1" prio=2 tid=0x0e620400 nid=0xfec waiting
for monitor entry [0x10a7e000..0x10a7fa14]
java.lang.Thread.State: BLOCKED (on object monitor)
at org.apache.derby.impl.sql.GenericPreparedStatement.finish(Unknown
Source)
- waiting to lock <0x05306f88> (a
org.apache.derby.impl.sql.GenericPreparedStatement)
at org.apache.derby.impl.sql.execute.BaseActivation.close(Unknown
Source)
at
org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.addActivation(Unknown
Source)
at
org.apache.derby.impl.sql.execute.BaseActivation.initFromContext(Unknown Source)
at
org.apache.derby.impl.services.reflect.LoadedGeneratedClass.newInstance(Unknown
Source)
at
org.apache.derby.impl.services.reflect.ReflectGeneratedClass.newInstance(Unknown
Source)
at org.apache.derby.impl.sql.GenericActivationHolder.<init>(Unknown
Source)
at
org.apache.derby.impl.sql.GenericPreparedStatement.getActivation(Unknown Source)
- locked <0x052f4d70> (a
org.apache.derby.impl.sql.GenericPreparedStatement)
at org.apache.derby.impl.jdbc.EmbedPreparedStatement.<init>(Unknown
Source)
at org.apache.derby.impl.jdbc.EmbedPreparedStatement20.<init>(Unknown
Source)
at org.apache.derby.impl.jdbc.EmbedPreparedStatement30.<init>(Unknown
Source)
at org.apache.derby.impl.jdbc.EmbedPreparedStatement40.<init>(Unknown
Source)
at org.apache.derby.jdbc.Driver40.newEmbedPreparedStatement(Unknown
Source)
at org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(Unknown
Source)
- locked <0x04225178> (a org.apache.derby.impl.jdbc.EmbedConnection40)
at org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(Unknown
Source)
[custom methods]
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