[Bug 234674] java/openjdk8: cannot connect to JVM to debug

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[Bug 234674] java/openjdk8: cannot connect to JVM to debug

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234674

            Bug ID: 234674
           Summary: java/openjdk8: cannot connect to JVM to debug
           Product: Ports & Packages
           Version: Latest
          Hardware: i386
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: Individual Port(s)
          Assignee: [hidden email]
          Reporter: [hidden email]
          Assignee: [hidden email]
             Flags: maintainer-feedback?([hidden email])

Starting with 192-b26 one cannot connect to a JVM for debugging anymore. The
following works with:

Apache Maven 3.6.1-SNAPSHOT (abbb2604d4ced61ea5c50ce9b0796c1d1c04a2c6;
2019-01-06T20:03:37+01:00)
Maven home: /home/mosipov/apache-maven-3.6.1-SNAPSHOT
Java version: 1.8.0_181, vendor: Oracle Corporation, runtime:
/usr/local/openjdk8/jre
Default locale: de_DE, platform encoding: UTF-8
OS name: "freebsd", version: "11.2-release-p7", arch: "i386", family: "unix"
$ ~/apache-maven-3.6.1-SNAPSHOT/bin/mvnDebug
Preparing to execute Maven in debug mode
Listening for transport dt_socket at address: 8000
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  0.785 s
[INFO] Finished at: 2019-01-07T00:16:58+01:00


I do attach to the JVM from Windows 10 with Eclipse.

Running the same with 8.0.192 Eclipse says: connection refused. I cannot
terminate the process with Ctrl+C from the shell. I have so send SIGKILL.

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maintainer-feedback requested: [Bug 234674] java/openjdk8: cannot connect to JVM to debug

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Bugzilla Automation <[hidden email]> has asked freebsd-java mailing list
<[hidden email]> for maintainer-feedback:
Bug 234674: java/openjdk8: cannot connect to JVM to debug
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234674



--- Description ---
Starting with 192-b26 one cannot connect to a JVM for debugging anymore. The
following works with:

Apache Maven 3.6.1-SNAPSHOT (abbb2604d4ced61ea5c50ce9b0796c1d1c04a2c6;
2019-01-06T20:03:37+01:00)
Maven home: /home/mosipov/apache-maven-3.6.1-SNAPSHOT
Java version: 1.8.0_181, vendor: Oracle Corporation, runtime:
/usr/local/openjdk8/jre
Default locale: de_DE, platform encoding: UTF-8
OS name: "freebsd", version: "11.2-release-p7", arch: "i386", family: "unix"
$ ~/apache-maven-3.6.1-SNAPSHOT/bin/mvnDebug
Preparing to execute Maven in debug mode
Listening for transport dt_socket at address: 8000
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  0.785 s
[INFO] Finished at: 2019-01-07T00:16:58+01:00


I do attach to the JVM from Windows 10 with Eclipse.

Running the same with 8.0.192 Eclipse says: connection refused. I cannot
terminate the process with Ctrl+C from the shell. I have so send SIGKILL.
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[Bug 234674] java/openjdk8: cannot connect to JVM to debug

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In reply to this post by bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234674

Michael Osipov <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[hidden email]

--- Comment #1 from Michael Osipov <[hidden email]> ---
If I can provide further information, let me know.

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[Bug 234674] java/openjdk8: cannot connect to JVM to debug

bugzilla-noreply
In reply to this post by bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234674

Jonathan Chen <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[hidden email]

--- Comment #2 from Jonathan Chen <[hidden email]> ---
I've just tried this 12.0-STABLE/amd64, and when maven starts up, there is a
listener:
1:05pm> netstat -an | egrep "8000.*LISTEN"
tcp4       0      0 *.8000                 *.*                    LISTEN

But when connecting with Eclipe's remote debugger, the following internal error
is reported (on Eclipse):

An internal error occurred during: "Launching Remote MyProject".
java.lang.NegativeArraySizeException

After this error, the listener on maven disappears:
1:07pm> netstat -an | egrep "8000.*LISTEN"
1:07pm>

Eclipse then reports:
Failed to connect to remote VM. Connection refused.
Connection refused (Connection refused)

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[Bug 234674] java/openjdk8: cannot connect to JVM to debug

bugzilla-noreply
In reply to this post by bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234674

--- Comment #3 from Jonathan Chen <[hidden email]> ---
Just for reference:

1:09pm> uname -a
FreeBSD irontree.solnet 12.0-STABLE FreeBSD 12.0-STABLE r342294 GENERIC  amd64
1:09pm> java -version
openjdk version "1.8.0_192"
OpenJDK Runtime Environment (build 1.8.0_192-b26)
OpenJDK 64-Bit Server VM (build 25.192-b26, mixed mode)

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[Bug 234674] java/openjdk8: cannot connect to JVM to debug

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In reply to this post by bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234674

--- Comment #4 from Jonathan Chen <[hidden email]> ---
I've managed to locate Eclipse's error log entry:

!ENTRY org.eclipse.core.jobs 4 2 2019-01-07 13:07:32.848
!MESSAGE An internal error occurred during: "Launching Remote MyProject".
!STACK 0
java.lang.NegativeArraySizeException
    at org.eclipse.jdi.internal.jdwp.JdwpString.read(JdwpString.java:30)
    at org.eclipse.jdi.internal.MirrorImpl.readString(MirrorImpl.java:452)
    at
org.eclipse.jdi.internal.VirtualMachineImpl.getVersionInfo(VirtualMachineImpl.java:1014)
    at
org.eclipse.jdi.internal.VirtualMachineImpl.name(VirtualMachineImpl.java:930)
    at
org.eclipse.jdt.internal.launching.SocketAttachConnector.constructVMLabel(SocketAttachConnector.java:174)
    at
org.eclipse.jdt.internal.launching.SocketAttachConnector.connect(SocketAttachConnector.java:145)
    at
org.eclipse.jdt.internal.launching.JavaRemoteApplicationLaunchConfigurationDelegate.launch(JavaRemoteApplicationL
aunchConfigurationDelegate.java:85)
    at
org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:885)
    at
org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:739)
    at
org.eclipse.debug.internal.ui.DebugUIPlugin.buildAndLaunch(DebugUIPlugin.java:1039)
    at
org.eclipse.debug.internal.ui.DebugUIPlugin$8.run(DebugUIPlugin.java:1256)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)

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[Bug 234674] java/openjdk8: cannot connect to JVM to debug

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In reply to this post by bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234674

--- Comment #5 from Jonathan Chen <[hidden email]> ---
Looking at Eclipse's source code at this point in time from
https://github.com/eclipse/eclipse.jdt.debug/blob/2ae2bfa90bb468fd74c09090aaa134e2a71fbfdd/org.eclipse.jdt.debug/jdi/org/eclipse/jdi/internal/jdwp/JdwpString.java

...
23 public class JdwpString {
24      /**
25       * Reads String from Jdwp stream. Read a UTF where length has 4 bytes,
and
26       * not just 2. This code was based on the OTI Retysin source for
readUTF.
27       */
28      public static String read(DataInputStream in) throws IOException {
29              int utfSize = in.readInt();
30              byte utfBytes[] = new byte[utfSize];

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[Bug 234674] java/openjdk8: cannot connect to JVM to debug

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In reply to this post by bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234674

--- Comment #6 from Michael Osipov <[hidden email]> ---
Jonathan,

this is the exact error I receive. Thanks for digging. Haven't had any time for
this yet. I hardly doubt that this is an Eclipse bug.

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[Bug 234674] java/openjdk8: cannot connect to JVM to debug

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In reply to this post by bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234674

[hidden email] changed:

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--- Comment #7 from [hidden email] ---
jdb also broken:
/usr/local/openjdk8-8.192/bin/jdb javaapplication1/JavaApplication1
Initializing jdb ...
> run
run javaapplication1/JavaApplication1
Exception in thread "JDI Internal Event Handler"
java.lang.UnsupportedOperationException: JDWP: ID size not supported: 134217728
        at com.sun.tools.jdi.PacketStream.readID(PacketStream.java:410)
        at com.sun.tools.jdi.PacketStream.readObjectRef(PacketStream.java:418)
        at
com.sun.tools.jdi.PacketStream.readThreadReference(PacketStream.java:445)
        at
com.sun.tools.jdi.JDWP$Event$Composite$Events$VMStart.<init>(JDWP.java:7613)
        at com.sun.tools.jdi.JDWP$Event$Composite$Events.<init>(JDWP.java:7526)
        at com.sun.tools.jdi.JDWP$Event$Composite.<init>(JDWP.java:8594)
        at com.sun.tools.jdi.EventSetImpl.build(EventSetImpl.java:608)
        at
com.sun.tools.jdi.EventQueueImpl.removeUnfiltered(EventQueueImpl.java:211)
        at
com.sun.tools.jdi.EventQueueImpl.removeInternal(EventQueueImpl.java:124)
        at
com.sun.tools.jdi.InternalEventHandler.run(InternalEventHandler.java:54)
        at java.lang.Thread.run(Thread.java:748)
Internal exception:
com.sun.jdi.InternalException: Unexpected JDWP Error: 113
        at
com.sun.tools.jdi.JDWPException.toJDIException(JDWPException.java:65)
        at
com.sun.tools.jdi.EventRequestManagerImpl$EventRequestImpl.set(EventRequestManagerImpl.java:204)
        at
com.sun.tools.jdi.EventRequestManagerImpl$EventRequestImpl.setEnabled(EventRequestManagerImpl.java:166)
        at
com.sun.tools.jdi.EventRequestManagerImpl$EventRequestImpl.enable(EventRequestManagerImpl.java:151)
        at
com.sun.tools.example.debug.tty.EventRequestSpec.resolveEagerly(EventRequestSpec.java:139)
        at
com.sun.tools.example.debug.tty.EventRequestSpecList.addEagerlyResolve(EventRequestSpecList.java:98)
        at
com.sun.tools.example.debug.tty.Commands.resolveNow(Commands.java:1125)
        at
com.sun.tools.example.debug.tty.Commands.commandCatchException(Commands.java:810)
        at
com.sun.tools.example.debug.tty.VMConnection.setEventRequests(VMConnection.java:427)
        at
com.sun.tools.example.debug.tty.VMConnection.open(VMConnection.java:337)
        at
com.sun.tools.example.debug.tty.Commands.commandRun(Commands.java:559)
        at com.sun.tools.example.debug.tty.TTY.executeCommand(TTY.java:501)
        at com.sun.tools.example.debug.tty.TTY.<init>(TTY.java:781)
        at com.sun.tools.example.debug.tty.TTY.main(TTY.java:1083)

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[Bug 234674] java/openjdk8: cannot connect to JVM to debug

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--- Comment #8 from [hidden email] ---
jdb should send size=0x00000008, but sent 0x08000000.

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[Bug 234674] java/openjdk8: cannot connect to JVM to debug

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--- Comment #9 from Michael Osipov <[hidden email]> ---
Note: reverting to 8.181 works as expected.

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[Bug 234674] java/openjdk8: cannot connect to JVM to debug

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--- Comment #10 from [hidden email] ---
openjdk8-8.192.26_5 fixed this bug.

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[Bug 234674] java/openjdk8: cannot connect to JVM to debug

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Greg Lewis <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
                 CC|                            |[hidden email]
             Status|New                         |Closed

--- Comment #11 from Greg Lewis <[hidden email]> ---
Thanks for testing with 8.192.26_5.  I'll close this.

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[Bug 234674] java/openjdk8: cannot connect to JVM to debug

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--- Comment #12 from Michael Osipov <[hidden email]> ---
(In reply to Greg Lewis from comment #11)

I can confirm that the issue has been fixed. Thank you!

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