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https://issues.apache.org/jira/browse/BOOKKEEPER-1049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16000709#comment-16000709
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Enrico Olivelli commented on BOOKKEEPER-1049:
---------------------------------------------
I am investigating if there is another way to access the information
> Run BookKeeper on Java9
> -----------------------
>
> Key: BOOKKEEPER-1049
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-1049
> Project: Bookkeeper
> Issue Type: Improvement
> Environment: java9
> Reporter: Enrico Olivelli
> Assignee: Enrico Olivelli
> Fix For: 4.6.0
>
>
> I am tring to run BookKeeper on Java9, a part from simple issues:
> - exclude the transitive dependency to jdk.tools in bookkeeer-benchmarks
> - fix a warning due to the fact the Class.forName in java9 is deprecated and
> we are running javac with the "Werror" option (warning = error)
> we have a real stopper, in fact we want to access the low level ID of
> FileDescriptors using the reflaction and by default this is not allowed.
> This is the error:
> {code}
> java.lang.AssertionError
> at
> org.apache.bookkeeper.util.NativeIO.getFieldByReflection(NativeIO.java:63)
> at
> org.apache.bookkeeper.util.NativeIO.getSysFileDescriptor(NativeIO.java:75)
> at
> org.apache.bookkeeper.bookie.JournalChannel.<init>(JournalChannel.java:218)
> at
> org.apache.bookkeeper.bookie.JournalChannel.<init>(JournalChannel.java:97)
> at
> org.apache.bookkeeper.bookie.JournalChannel.<init>(JournalChannel.java:86)
> at
> org.apache.bookkeeper.bookie.UpgradeTest.writeJournal(UpgradeTest.java:83)
> at
> org.apache.bookkeeper.bookie.UpgradeTest.newV1JournalDirectory(UpgradeTest.java:114)
> at
> org.apache.bookkeeper.bookie.UpgradeTest.testUpgradeV1toCurrent(UpgradeTest.java:192)
> {code}
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