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https://issues.apache.org/jira/browse/CASSANDRA-9608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16325650#comment-16325650
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Jason Brown commented on CASSANDRA-9608:
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Launched [~snazy]'s linked branch, and basic c* launched ok. But then I got
this error when doing a naie {{nodetool}} command:
{noformat}
$ bin/nodetool gossipstattus
Error opening zip file or JAR manifest missing :
/opt/dev/cassandra/lib/jamm-0.3.2.jar
Error occurred during initialization of VM
agent library failed to init: instrument
{noformat}
I see that there's two jamm jars in the lib directory:
{noformat}
$ ls lib/jamm-0.3.*
lib/jamm-0.3.2.jar lib/jamm-0.3.3-SNAPSHOT.jar
{noformat}
> Support Java 9
> --------------
>
> Key: CASSANDRA-9608
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9608
> Project: Cassandra
> Issue Type: Task
> Reporter: Robert Stupp
> Assignee: Robert Stupp
> Priority: Minor
>
> This ticket is intended to group all issues found to support Java 9 in the
> future.
> From what I've found out so far:
> * Maven dependency {{com.sun:tools:jar:0}} via cobertura cannot be resolved.
> It can be easily solved using this patch:
> {code}
> - <dependency groupId="net.sourceforge.cobertura"
> artifactId="cobertura"/>
> + <dependency groupId="net.sourceforge.cobertura"
> artifactId="cobertura">
> + <exclusion groupId="com.sun" artifactId="tools"/>
> + </dependency>
> {code}
> * Another issue is that {{sun.misc.Unsafe}} no longer contains the methods
> {{monitorEnter}} + {{monitorExit}}. These methods are used by
> {{o.a.c.utils.concurrent.Locks}} which is only used by
> {{o.a.c.db.AtomicBTreeColumns}}.
> I don't mind to start working on this yet since Java 9 is in a too early
> development phase.
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