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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2021/08/06 03:31:19 UTC
[GitHub] [rocketmq] ltamber opened a new issue #3223: support start namesrv/broker using higher version jdk
ltamber opened a new issue #3223:
URL: https://github.com/apache/rocketmq/issues/3223
Currently we can not start broker due to Java 9 have deprecated -Djava.ext.dirs options.
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[GitHub] [rocketmq] vongosling commented on issue #3223: support start namesrv/broker using higher version jdk
Posted by GitBox <gi...@apache.org>.
vongosling commented on issue #3223:
URL: https://github.com/apache/rocketmq/issues/3223#issuecomment-895648129
I think we should request the latest LTS version JDK 11, while not java9, right?
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[GitHub] [rocketmq] coolc4 commented on issue #3223: support start namesrv/broker using higher version jdk
Posted by GitBox <gi...@apache.org>.
coolc4 commented on issue #3223:
URL: https://github.com/apache/rocketmq/issues/3223#issuecomment-914932737
if the rocketmq-4.9.0 was compiled in the openjdk-8 environment
and it runs in the environment of openjdk-11
the mqbroker process that comes with the example will report an exception when calling mqshutdown normally:
java .lang.IllegalStateException: java.lang.reflect.InaccessibleObjectException:
Unable to make public void jdk.internal.ref.Cleaner.clean() accessible: module java.base does not "exports jdk.internal.ref" to unnamed module
We can shield this exception by modifying the startup parameters in runbroker.sh
Add JAVA_OPT="${JAVA_OPT} --add-exports java.base/jdk.internal.ref=ALL-UNNAMED"
[0001-fix-fixed-the-broker-example-will-report-an-exceptio.txt](https://github.com/apache/rocketmq/files/7126140/0001-fix-fixed-the-broker-example-will-report-an-exceptio.txt)
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[GitHub] [rocketmq] ltamber commented on issue #3223: support start namesrv/broker using higher version jdk
Posted by GitBox <gi...@apache.org>.
ltamber commented on issue #3223:
URL: https://github.com/apache/rocketmq/issues/3223#issuecomment-895847780
> I think we should request the latest LTS version JDK 11, while not java9, right?
Yes, but what I mean is that there are some problem with java9 and higher version to start broker, and we should fix this issue, not just for java9.
see #3224
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[GitHub] [rocketmq] duhenglucky closed issue #3223: support start namesrv/broker using higher version jdk
Posted by GitBox <gi...@apache.org>.
duhenglucky closed issue #3223:
URL: https://github.com/apache/rocketmq/issues/3223
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[GitHub] [rocketmq] yiding-he edited a comment on issue #3223: support start namesrv/broker using higher version jdk
Posted by GitBox <gi...@apache.org>.
yiding-he edited a comment on issue #3223:
URL: https://github.com/apache/rocketmq/issues/3223#issuecomment-990556383
我想劝各位发布类似开源项目的时候，脚本里面不要带上一大堆的 -XX: 调优参数，这些应该交给用户自己去调整，因为你不知道用户用的是什么 JVM。你不必强行帮用户去“优化”，只要留个口子就行了。
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