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From "Mike Matrigali (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (DERBY-5624) System can run out of stack space while processing DropOnCommit requests.
Date Wed, 19 Jun 2013 17:20:20 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mike Matrigali closed DERBY-5624.
---------------------------------

    
> System can run out of stack space while processing DropOnCommit requests.
> -------------------------------------------------------------------------
>
>                 Key: DERBY-5624
>                 URL: https://issues.apache.org/jira/browse/DERBY-5624
>             Project: Derby
>          Issue Type: Bug
>          Components: Store
>    Affects Versions: 10.5.3.2, 10.8.2.2
>            Reporter: Mike Matrigali
>            Assignee: Mike Matrigali
>              Labels: derby_triage10_9
>             Fix For: 10.5.3.2, 10.6.2.3, 10.7.1.4, 10.8.3.0, 10.9.1.0
>
>         Attachments: DERBY-5624.patch, error-stacktrace_mod.out, largedatasuite_mod.out
>
>
> The system currently recursively calls xact.notifyObservers() from DropOnCommit.update().
 It does this because in some cases
> new observers can be added while processing the list of notifyObservers and those were
being missed before the change, causing
> Assertions in the tests and possibly files not properly dropped on commit.
> Multiple users on the Derby user list have had failures running SYSCS_UTIL.SYSCS_COMPRESS_TABLE(),
running out of stack track
> with a heavily recursive stack trace of the form (see more detail from these reports
in subsequent comments):
> Caused by: java.lang.StackOverflowError
> at java.lang.ThreadLocal.get(ThreadLocal.java:125)
> at java.lang.StringCoding.deref(StringCoding.java:46)
> at java.lang.StringCoding.encode(StringCoding.java:258)
> at java.lang.String.getBytes(String.java:946)
> at java.io.UnixFileSystem.getBooleanAttributes0(Native Method)
> at java.io.UnixFileSystem.getBooleanAttributes(UnixFileSystem.java:228)
> at java.io.File.exists(File.java:733)
> at org.apache.derby.impl.store.raw.data.StreamFileContainer.run(Unknown Source)
> at java.security.AccessController.doPrivileged(Native Method)
> at org.apache.derby.impl.store.raw.data.StreamFileContainer.privExists(Unknown Source)
> at org.apache.derby.impl.store.raw.data.StreamFileContainer.open(Unknown Source)
> at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.openStreamContainer(Unknown
Source)
> at org.apache.derby.impl.store.raw.xact.Xact.openStreamContainer(Unknown Source)
> at org.apache.derby.impl.store.raw.data.BaseDataFileFactory.dropStreamContainer(Unknown
Source)
> at org.apache.derby.impl.store.raw.xact.Xact.dropStreamContainer(Unknown Source)
> at org.apache.derby.impl.store.raw.data.DropOnCommit.update(Unknown Source)
> at java.util.Observable.notifyObservers(Observable.java:142)
> at org.apache.derby.iapi.store.raw.xact.RawTransaction.notifyObservers(Unknown Source)
> at org.apache.derby.impl.store.raw.data.DropOnCommit.update(Unknown Source)
> at java.util.Observable.notifyObservers(Observable.java:142)
> at org.apache.derby.iapi.store.raw.xact.RawTransaction.notifyObservers(Unknown Source)
> at org.apache.derby.impl.store.raw.data.DropOnCommit.update(Unknown Source)
> at java.util.Observable.notifyObservers(Observable.java:142)
> at org.apache.derby.iapi.store.raw.xact.RawTransaction.notifyObservers(Unknown Source)
> at org.apache.derby.impl.store.raw.data.DropOnCommit.update(Unknown Source)
> at java.util.Observable.notifyObservers(Observable.java:142)

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