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https://issues.apache.org/jira/browse/GEODE-7591?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17138147#comment-17138147
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ASF subversion and git services commented on GEODE-7591:
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Commit 86778ecc5507aaeb28f05b069a80f766f705dbcd in geode's branch
refs/heads/develop from Jakov Varenina
[ https://gitbox.apache.org/repos/asf?p=geode.git;h=86778ec ]
GEODE-7591: Fix for hang in ClusterDistributionManager (#5182)
* GEODE-7591: Fix for hang in ClusterDistributionManager
Added timeout after which it will be periodically checked whether
distribution manager is disconnecting while waiting on the membership
view installation to avoid hanging
* DUnit test updated
* CyclicBarrier thread synchronization used instad await()
* Future used to wait for completion of test
* DUnit test updated
Exceptions added to test method signature
> potential hang
> --------------
>
> Key: GEODE-7591
> URL: https://issues.apache.org/jira/browse/GEODE-7591
> Project: Geode
> Issue Type: Improvement
> Components: membership
> Reporter: Bruce J Schuchardt
> Assignee: Jakov Varenina
> Priority: Major
>
> This method in ClusterDistributionManager waits for a new membership view to
> be installed, but if the cache is being closed while waiting the method could
> hang because it only checks for cache closure if the object it's waiting on
> is notified. We should change the wait() to have a timeout so that the
> `stopper` is polled periodically
> {code:java}
> void waitForViewInstallation(long id) throws InterruptedException {
> if (id <= membershipViewIdAcknowledged) {
> return;
> }
> synchronized (membershipViewIdGuard) {
> while (membershipViewIdAcknowledged < id &&
> !stopper.isCancelInProgress()) {
> if (logger.isDebugEnabled()) {
> logger.debug("waiting for view {}. Current DM view processed by all
> listeners is {}", id,
> membershipViewIdAcknowledged);
> }
> membershipViewIdGuard.wait();
> }
> }
> }
> {code}
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