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https://issues.apache.org/jira/browse/BOOKKEEPER-924?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15571862#comment-15571862
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Hudson commented on BOOKKEEPER-924:
-----------------------------------
FAILURE: Integrated in Jenkins build bookkeeper-master #1533 (See
[https://builds.apache.org/job/bookkeeper-master/1533/])
BOOKKEEPER-924: addEntry() is susceptible to spurious wakeups (sijie: rev
bf4a4d6a07f9d615752054c6743035cebd86716e)
* (edit)
bookkeeper-server/src/main/java/org/apache/bookkeeper/client/BookKeeper.java
* (edit)
bookkeeper-server/src/main/java/org/apache/bookkeeper/client/BookKeeperAdmin.java
* (edit)
bookkeeper-server/src/main/java/org/apache/bookkeeper/client/LedgerHandleAdv.java
* (edit)
bookkeeper-server/src/main/java/org/apache/bookkeeper/client/LedgerHandle.java
* (add)
bookkeeper-server/src/main/java/org/apache/bookkeeper/client/SynchCallbackUtils.java
> addEntry() is susceptible to spurious wakeups
> ---------------------------------------------
>
> Key: BOOKKEEPER-924
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-924
> Project: Bookkeeper
> Issue Type: Bug
> Affects Versions: 4.3.2
> Reporter: Venkateswararao Jujjuri (JV)
> Assignee: Matteo Merli
> Priority: Critical
> Fix For: 4.5.0
>
>
> LedgerHandle sync interface heavily depends on SyncCounter to convert async
> interfaces
> into sync interfaces.
> Usaylly
> SyncCounter.inc()
> asyncCall()
> SyncCOunter.block(0)
> The block code is.
> synchronized void block(int limit) throws InterruptedException {
> while (i > limit) {
> int prev = i;
> wait();
> if (i == prev) {
> break;
> }
> }
> }
> Since 'i' is going to be same as 'prev' on spurious wakeup, and wait() can
> return on spurious wakeups.
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