• AldoRamos

    I didn't find this earlier when searching, but this seems to be similar to unable to discover a bacnet device on my network, specifically in the brief window of apparently successful operation when saving or enabling the publisher.

    posted in User help read more
  • AldoRamos

    We've been experiencing some interesting quirks getting BACnet talking between devices. We have tested between two separate Mango servers, and thought we'd resolved the issue, but when a customer ran into it, (Mango as BACnet publisher, 3rd party software client) I had to dig back in.

    To make a long story medium, our EdgeServer has multiple interfaces:

    • eth0 (Device Area Network) for industrial devices (PLCs, etc)
    • eth1 (LAN/WAN) for interwebz routing
    • wwan0 (4GLTE) for wireless interwebz

    As I was exploring, I noticed that default routes for both eth1 and wwan0. This is to be expected, since both get gateway settings from DHCP. What was unexpected was how the BACnet publisher was horribly unreliable when the wwan0 route had a lower metric (higher priority) than the eth1 route (client is on the LAN with eth1, same subnet). There is no way the gateway route should even come into play when there is an explicit route for the subnet. But when I changed the priorities of the default routes, the results speak for themselves.

    Any thoughts or explanations for this behavior? Suggestions? Has anyone come across this?

    posted in User help read more
  • AldoRamos

    We have a Graphic view that not only summarizes plant operations, but allows the most commonly-used functions (start/stop etc.) to be controlled from that view. This has been operating just fine for a super-admin, but now that we've delegated the control to another user, it does not display the controls. It only displays an hourglass that never resolves to the expected input (binary toggle, numeric input).

    The user has proper permissions, and is able to enter the input on the Data Points page without any problem. It's only on the Graphic view that this problem appears.

    posted in Mango Automation general Discussion read more
  • AldoRamos

    The good news: I finally migrated the data. I think.

    The bad news: I still don't know why java crashes

    In frustration, I finally ran the migration with 1 low-priority thread, and in about 15 minutes, it finally completed — sort of.

    I tried updating java to 1.8.0_152; no effect
    Added 4GB swap (in addition to the 1GB already configured): no effect
    I executed the migration on a VirtualBox VM: no problem, success in about 3 minutes

    Finally, migrated on the server in question with 1 low-priority thread, It executed for 923 seconds — then stopped. I feared it had crashed again, but I noticed mango was still alive, so I checked a few things.

    That's when it got interesting.

    The migration page was seemingly stalled at 19648161 of 38879054
    0_1513389336077_migrate-success.png
    But in the log file, it claimed to have successfully completed:

    INFO  2017-12-15T16:03:36,024 (com.infiniteautomation.nosql.maint.MangoNoSqlMigrationWorkItem.execute:70) - Starting Data Migration, please wait...
    INFO  2017-12-15T16:18:59,072 (com.infiniteautomation.nosql.maint.MangoNoSqlMigrationWorkItem.execute:151) - Migrated 19648161 point values.
    INFO  2017-12-15T16:18:59,072 (com.infiniteautomation.nosql.maint.MangoNoSqlMigrationWorkItem.execute:155) - Finished Data Migration, 19648161 point values migrated to Time Series Datastore took 923.048s
    

    Eventually my eye caught that the 19648161 was (approximately) the same number I had seen in my successful simulation on the VirtualBox instance:
    0_1513391609589_migrate-aldarch.png
    But a quick query on the original db shows:

    MariaDB [mango]> SELECT COUNT(*) FROM pointValues;
    +----------+
    | COUNT(*) |
    +----------+
    | 38879054 |
    +----------+
    

    Curiously, the “successful” migrations show about half the total. I also notice (especially on the actual server) that the total changes a few times during the migration.

    So please help me understand: did the data migrate? Or only half? What am I not understanding?

    The crashing seems obvious to be a java problem, but I can't glean any diagnostic information to pursue further. Note that this instance is running on an Arm architecture, so that might be a factor as well.

    posted in Mango Automation general Discussion read more
  • AldoRamos

    I've noticed a few unexpected log messages, wonder if they give you any clues:

    INFO  2017-12-12T12:11:37,696 (com.serotonin.m2m2.util.DocumentationManifest.parseManifestFile:60) - Documentation manifest file not found: /var/opt/mango/web/modules/dashboardDesigner/web/dox/manifest.xml
    INFO  2017-12-12T12:11:37,505 (com.serotonin.m2m2.util.DocumentationManifest.parseManifestFile:60) - Documentation manifest file not found: /var/opt/mango/web/modules/mangoUI/web/dox/manifest.xml
    WARN  2017-12-12T12:12:23,719 (org.springframework.web.servlet.handler.SimpleUrlHandlerMapping.registerHandlers:114) - Neither 'urlMap' nor 'mappings' set on SimpleUrlHandlerMapping
    INFO  2017-12-12T12:12:25,371 (com.serotonin.m2m2.Lifecycle.configureDwr:1169) - Duplicate definition of DWR class ignored: com.serotonin.m2m2.modbus.dwr.ModbusEditDwr
    

    (edited to include only interesting entries)

    posted in Mango Automation general Discussion read more
  • AldoRamos

    out.sh is linked to ext-enabled generating the 2 log files I posted above, $MA_HOME/logs/ma.out and $MA_HOME/logs/ma.err

    That's what is so puzzling about all this, no error message output whatsoever.

    posted in Mango Automation general Discussion read more
  • AldoRamos

    Wish all problems in life were that easy. ;-)

    Saving it was all it took. Things are back to normal, now.

    Thanks!

    posted in Mango Automation general Discussion read more
  • AldoRamos

    Here is the log from a 2.8 publisher:

    DEBUG 2017-12-11 15:13:17,540 (com.serotonin.m2m2.persistent.pub.PersistentSendThread.sendRealTime:452) - Sending datapoint with index: 1
    DEBUG 2017-12-11 15:13:17,541 (com.serotonin.m2m2.persistent.pub.PersistentSendThread.sendRealTime:452) - Sending datapoint with index: 0
    DEBUG 2017-12-11 15:13:17,541 (com.serotonin.m2m2.persistent.pub.PersistentSendThread.sendRealTime:488) - Publish queue size: 0
    DEBUG 2017-12-11 15:13:20,177 (com.serotonin.m2m2.persistent.pub.PersistentSendThread.sendRealTime:452) - Sending datapoint with index: 7
    DEBUG 2017-12-11 15:13:20,177 (com.serotonin.m2m2.persistent.pub.PersistentSendThread.sendRealTime:452) - Sending datapoint with index: 6
    DEBUG 2017-12-11 15:13:20,177 (com.serotonin.m2m2.persistent.pub.PersistentSendThread.sendRealTime:452) - Sending datapoint with index: 2
    DEBUG 2017-12-11 15:13:20,178 (com.serotonin.m2m2.persistent.pub.PersistentSendThread.sendRealTime:452) - Sending datapoint with index: 3
    DEBUG 2017-12-11 15:13:20,178 (com.serotonin.m2m2.persistent.pub.PersistentSendThread.sendRealTime:452) - Sending datapoint with index: 4
    DEBUG 2017-12-11 15:13:20,178 (com.serotonin.m2m2.persistent.pub.PersistentSendThread.sendRealTime:452) - Sending datapoint with index: 5
    DEBUG 2017-12-11 15:13:20,178 (com.serotonin.m2m2.persistent.pub.PersistentSendThread.sendRealTime:488) - Publish queue size: 0
    DEBUG 2017-12-11 15:13:22,165 (com.serotonin.m2m2.persistent.pub.PersistentSendThread.sendRealTime:452) - Sending datapoint with index: 1
    DEBUG 2017-12-11 15:13:22,165 (com.serotonin.m2m2.persistent.pub.PersistentSendThread.sendRealTime:452) - Sending datapoint with index: 0
    DEBUG 2017-12-11 15:13:22,165 (com.serotonin.m2m2.persistent.pub.PersistentSendThread.sendRealTime:488) - Publish queue size: 0
    DEBUG 2017-12-11 15:13:22,186 (com.serotonin.m2m2.persistent.pub.PersistentSendThread.closeConnection:661) - Sending close packet
    WARN  2017-12-11 15:13:22,187 (com.serotonin.m2m2.persistent.pub.PersistentSendThread.closeConnection:669) - Failed closing SendThread socket.
    java.net.SocketException: Broken pipe (Write failed)
            at java.net.SocketOutputStream.socketWrite0(Native Method)
            at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109)
            at java.net.SocketOutputStream.write(SocketOutputStream.java:132)
            at com.serotonin.m2m2.persistent.pub.TimedOutputStream.write(TimedOutputStream.java:47)
            at com.serotonin.m2m2.persistent.common.Packet.writeHeader(Packet.java:322)
            at com.serotonin.m2m2.persistent.common.Packet.writePacket(Packet.java:280)
            at com.serotonin.m2m2.persistent.pub.PersistentSendThread.closeConnection(PersistentSendThread.java:663)
            at com.serotonin.m2m2.persistent.pub.PersistentSendThread.runImpl(PersistentSendThread.java:267)
            at com.serotonin.m2m2.rt.publish.SendThread.run(SendThread.java:56)
    

    And the Data Source/Listener (3.2)

    DEBUG 2017-12-11 15:19:17,503 (com.serotonin.m2m2.persistent.ds.PersistentDataSourceRT$TcpConnectionHandler.runImpl:557) - /166.176.184.183:4865: ensuring point 105DP_temp, index: 8
    DEBUG 2017-12-11 15:19:17,503 (com.serotonin.m2m2.persistent.ds.PersistentDataSourceRT$TcpConnectionHandler.ensurePointV5:809) - /166.176.184.183:4865: ensuring point 105DP_temp
    DEBUG 2017-12-11 15:19:17,504 (com.serotonin.m2m2.persistent.ds.PersistentDataSourceRT$TcpConnectionHandler.ensurePointV5:817) - /166.176.184.183:4865: point 105DP_temp already exists in RT list
    DEBUG 2017-12-11 15:19:17,504 (com.serotonin.m2m2.persistent.ds.PersistentDataSourceRT$TcpConnectionHandler.updatePointV5:882) - /166.176.184.183:4865: saving point 105DP_temp updates
    DEBUG 2017-12-11 15:19:17,625 (com.serotonin.m2m2.persistent.ds.PersistentDataSourceRT$TcpConnectionHandler.runImpl:567) - /166.176.184.183:4865: confirmed 105DP_temp with client
    INFO  2017-12-11 15:19:17,625 (com.serotonin.m2m2.persistent.ds.PersistentDataSourceRT$TcpConnectionHandler.runImpl:579) - /166.176.184.183:4865: point init done
    INFO  2017-12-11 15:19:17,700 (com.serotonin.m2m2.persistent.ds.PersistentDataSourceRT.run:357) - Received socket from /166.176.184.169:12742
    DEBUG 2017-12-11 15:19:17,768 (com.serotonin.m2m2.persistent.ds.PersistentDataSourceRT$TcpConnectionHandler.runImpl:504) - /166.176.184.169:12742: client requested version 8
    DEBUG 2017-12-11 15:19:17,768 (com.serotonin.m2m2.persistent.ds.PersistentDataSourceRT$TcpConnectionHandler.runImpl:512) - /166.176.184.169:12742: using version 8
    DEBUG 2017-12-11 15:19:17,865 (com.serotonin.m2m2.persistent.ds.PersistentDataSourceRT$TcpConnectionHandler.updatePointHierarchy:960) - /166.176.184.183:4865: updatePointHierarchy
    DEBUG 2017-12-11 15:19:17,874 (com.serotonin.m2m2.persistent.ds.PersistentDataSourceRT$TcpConnectionHandler.updatePointHierarchy:967) - /166.176.184.183:4865: updatePointHierarchy: count=8
    WARN  2017-12-11 15:19:17,874 (com.serotonin.m2m2.persistent.ds.PersistentDataSourceRT$TcpConnectionHandler.run:466) - /166.176.184.183:4865: Connection handler exception
    java.lang.NullPointerException
            at com.serotonin.m2m2.persistent.ds.PersistentDataSourceRT$TcpConnectionHandler.updatePointHierarchy(PersistentDataSourceRT.java:977)
            at com.serotonin.m2m2.persistent.ds.PersistentDataSourceRT$TcpConnectionHandler.runImpl(PersistentDataSourceRT.java:711)
            at com.serotonin.m2m2.persistent.ds.PersistentDataSourceRT$TcpConnectionHandler.run(PersistentDataSourceRT.java:436)
            at java.lang.Thread.run(Thread.java:748)
    

    posted in Mango Automation general Discussion read more
  • AldoRamos

    Those files do exist, but they are dated last week.

    $ cat hs_err_pid1026.log
    #
    # There is insufficient memory for the Java Runtime Environment to continue.
    # Native memory allocation (mmap) failed to map 7158300672 bytes for committing reserved memory.
    # Possible reasons:
    #   The system is out of physical RAM or swap space
    #   In 32 bit mode, the process size limit was hit
    # Possible solutions:
    #   Reduce memory load on the system
    #   Increase physical memory or swap space
    #   Check if swap backing store is full
    #   Use 64 bit Java on a 64 bit OS
    #   Decrease Java heap size (-Xmx/-Xms)
    #   Decrease number of Java threads
    #   Decrease Java thread stack sizes (-Xss)
    #   Set larger code cache with -XX:ReservedCodeCacheSize=
    # This output file may be truncated or incomplete.
    #
    #  Out of Memory Error (os_linux.cpp:2640), pid=1026, tid=0x00007f92c42de700
    #
    # JRE version:  (8.0_144-b01) (build )
    # Java VM: OpenJDK 64-Bit Server VM (25.144-b01 mixed mode linux-amd64 compressed oops)
    # Core dump written. Default location: /var/opt/mango/core or core.1026
    #
    
    ---------------  T H R E A D  ---------------
    
    Current thread (0x00007f92bc00e000):  JavaThread "Unknown thread" [_thread_in_vm, id=1029, stack(0x00007f92c41de000,0x00007f92c42df000)]
    
    Stack: [0x00007f92c41de000,0x00007f92c42df000],  sp=0x00007f92c42dd4a0,  free space=1021k
    Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
    V  [libjvm.so+0xaa3d82]
    V  [libjvm.so+0x4d85e7]
    V  [libjvm.so+0x8e0be0]
    V  [libjvm.so+0x8db29e]
    V  [libjvm.so+0xaa01ec]
    V  [libjvm.so+0x5dfde6]
    V  [libjvm.so+0xa3c80a]
    V  [libjvm.so+0x5e11ed]
    V  [libjvm.so+0x5cb5df]
    V  [libjvm.so+0xa6640a]
    V  [libjvm.so+0xa666f5]
    V  [libjvm.so+0x623f6f]
    V  [libjvm.so+0xa49d5b]
    V  [libjvm.so+0x6a3020]  JNI_CreateJavaVM+0x60
    C  [libjli.so+0x2c53]
    C  [libpthread.so.0+0x708a]  start_thread+0xda
    
    
    ---------------  P R O C E S S  ---------------
    
    Java Threads: ( => current thread )
    
    Other Threads:
    
    =>0x00007f92bc00e000 (exited) JavaThread "Unknown thread" [_thread_in_vm, id=1029, stack(0x00007f92c41de000,0x00007f92c42df000)]
    
    VM state:not at safepoint (not fully initialized)
    
    VM Mutex/Monitor currently owned by a thread: None
    
    GC Heap History (0 events):
    No events
    
    Deoptimization events (0 events):
    No events
    
    Internal exceptions (0 events):
    No events
    
    Events (0 events):
    No events
    
    
    Dynamic libraries:
    540000000-615550000 rw-p 00000000 00:00 0
    5558f48ce000-5558f48cf000 r-xp 00000000 ca:01 407084                     /usr/lib/jvm/java-8-openjdk/jre/bin/java
    5558f4ace000-5558f4acf000 r--p 00000000 ca:01 407084                     /usr/lib/jvm/java-8-openjdk/jre/bin/java
    5558f4acf000-5558f4ad0000 rw-p 00001000 ca:01 407084                     /usr/lib/jvm/java-8-openjdk/jre/bin/java
    5558f55b7000-5558f55d8000 rw-p 00000000 00:00 0                          [heap]
    7f92abbff000-7f92ac2aa000 rw-p 00000000 00:00 0
    7f92ac2aa000-7f92acfff000 ---p 00000000 00:00 0
    7f92acfff000-7f92ad000000 rw-p 00000000 00:00 0
    7f92ad000000-7f92ad270000 rwxp 00000000 00:00 0
    7f92ad270000-7f92bc000000 ---p 00000000 00:00 0
    7f92bc000000-7f92bc038000 rw-p 00000000 00:00 0
    7f92bc038000-7f92c0000000 ---p 00000000 00:00 0
    7f92c0da6000-7f92c0db0000 rw-p 00000000 00:00 0
    7f92c0db0000-7f92c1166000 ---p 00000000 00:00 0
    7f92c1166000-7f92c116e000 r-xp 00000000 ca:01 427757                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/libzip.so
    7f92c116e000-7f92c136d000 ---p 00008000 ca:01 427757                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/libzip.so
    7f92c136d000-7f92c136e000 r--p 00007000 ca:01 427757                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/libzip.so
    7f92c136e000-7f92c136f000 rw-p 00008000 ca:01 427757                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/libzip.so
    7f92c136f000-7f92c137a000 r-xp 00000000 ca:01 396550                     /usr/lib/libnss_files-2.26.so
    7f92c137a000-7f92c1579000 ---p 0000b000 ca:01 396550                     /usr/lib/libnss_files-2.26.so
    7f92c1579000-7f92c157a000 r--p 0000a000 ca:01 396550                     /usr/lib/libnss_files-2.26.so
    7f92c157a000-7f92c157b000 rw-p 0000b000 ca:01 396550                     /usr/lib/libnss_files-2.26.so
    7f92c157b000-7f92c1581000 rw-p 00000000 00:00 0
    7f92c1581000-7f92c158c000 r-xp 00000000 ca:01 396574                     /usr/lib/libnss_nis-2.26.so
    7f92c158c000-7f92c178b000 ---p 0000b000 ca:01 396574                     /usr/lib/libnss_nis-2.26.so
    7f92c178b000-7f92c178c000 r--p 0000a000 ca:01 396574                     /usr/lib/libnss_nis-2.26.so
    7f92c178c000-7f92c178d000 rw-p 0000b000 ca:01 396574                     /usr/lib/libnss_nis-2.26.so
    7f92c178d000-7f92c17a1000 r-xp 00000000 ca:01 396559                     /usr/lib/libnsl-2.26.so
    7f92c17a1000-7f92c19a1000 ---p 00014000 ca:01 396559                     /usr/lib/libnsl-2.26.so
    7f92c19a1000-7f92c19a2000 r--p 00014000 ca:01 396559                     /usr/lib/libnsl-2.26.so
    7f92c19a2000-7f92c19a3000 rw-p 00015000 ca:01 396559                     /usr/lib/libnsl-2.26.so
    7f92c19a3000-7f92c19a5000 rw-p 00000000 00:00 0
    7f92c19a5000-7f92c19ac000 r-xp 00000000 ca:01 396547                     /usr/lib/libnss_compat-2.26.so
    7f92c19ac000-7f92c1bab000 ---p 00007000 ca:01 396547                     /usr/lib/libnss_compat-2.26.so
    7f92c1bab000-7f92c1bac000 r--p 00006000 ca:01 396547                     /usr/lib/libnss_compat-2.26.so
    7f92c1bac000-7f92c1bad000 rw-p 00007000 ca:01 396547                     /usr/lib/libnss_compat-2.26.so
    7f92c1bad000-7f92c1bdb000 r-xp 00000000 ca:01 427720                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/libjava.so
    7f92c1bdb000-7f92c1dda000 ---p 0002e000 ca:01 427720                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/libjava.so
    7f92c1dda000-7f92c1ddb000 r--p 0002d000 ca:01 427720                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/libjava.so
    7f92c1ddb000-7f92c1ddd000 rw-p 0002e000 ca:01 427720                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/libjava.so
    7f92c1ddd000-7f92c1dea000 r-xp 00000000 ca:01 427706                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/libverify.so
    7f92c1dea000-7f92c1fe9000 ---p 0000d000 ca:01 427706                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/libverify.so
    7f92c1fe9000-7f92c1feb000 r--p 0000c000 ca:01 427706                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/libverify.so
    7f92c1feb000-7f92c1fec000 rw-p 0000e000 ca:01 427706                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/libverify.so
    7f92c1fec000-7f92c1ff3000 r-xp 00000000 ca:01 396587                     /usr/lib/librt-2.26.so
    7f92c1ff3000-7f92c21f2000 ---p 00007000 ca:01 396587                     /usr/lib/librt-2.26.so
    7f92c21f2000-7f92c21f3000 r--p 00006000 ca:01 396587                     /usr/lib/librt-2.26.so
    7f92c21f3000-7f92c21f4000 rw-p 00007000 ca:01 396587                     /usr/lib/librt-2.26.so
    7f92c21f4000-7f92c233f000 r-xp 00000000 ca:01 396580                     /usr/lib/libm-2.26.so
    7f92c233f000-7f92c253e000 ---p 0014b000 ca:01 396580                     /usr/lib/libm-2.26.so
    7f92c253e000-7f92c253f000 r--p 0014a000 ca:01 396580                     /usr/lib/libm-2.26.so
    7f92c253f000-7f92c2540000 rw-p 0014b000 ca:01 396580                     /usr/lib/libm-2.26.so
    7f92c2540000-7f92c31e3000 r-xp 00000000 ca:01 427760                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/server/libjvm.so
    7f92c31e3000-7f92c33e3000 ---p 00ca3000 ca:01 427760                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/server/libjvm.so
    7f92c33e3000-7f92c3477000 r--p 00ca3000 ca:01 427760                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/server/libjvm.so
    7f92c3477000-7f92c349f000 rw-p 00d37000 ca:01 427760                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/server/libjvm.so
    7f92c349f000-7f92c34d0000 rw-p 00000000 00:00 0
    7f92c34d0000-7f92c367e000 r-xp 00000000 ca:01 396576                     /usr/lib/libc-2.26.so
    7f92c367e000-7f92c387d000 ---p 001ae000 ca:01 396576                     /usr/lib/libc-2.26.so
    7f92c387d000-7f92c3881000 r--p 001ad000 ca:01 396576                     /usr/lib/libc-2.26.so
    7f92c3881000-7f92c3883000 rw-p 001b1000 ca:01 396576                     /usr/lib/libc-2.26.so
    7f92c3883000-7f92c3887000 rw-p 00000000 00:00 0
    7f92c3887000-7f92c388a000 r-xp 00000000 ca:01 396577                     /usr/lib/libdl-2.26.so
    7f92c388a000-7f92c3a89000 ---p 00003000 ca:01 396577                     /usr/lib/libdl-2.26.so
    7f92c3a89000-7f92c3a8a000 r--p 00002000 ca:01 396577                     /usr/lib/libdl-2.26.so
    7f92c3a8a000-7f92c3a8b000 rw-p 00003000 ca:01 396577                     /usr/lib/libdl-2.26.so
    7f92c3a8b000-7f92c3a99000 r-xp 00000000 ca:01 427763                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/jli/libjli.so
    7f92c3a99000-7f92c3c98000 ---p 0000e000 ca:01 427763                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/jli/libjli.so
    7f92c3c98000-7f92c3c99000 r--p 0000d000 ca:01 427763                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/jli/libjli.so
    7f92c3c99000-7f92c3c9a000 rw-p 0000e000 ca:01 427763                     /usr/lib/jvm/java-8-openjdk/jre/lib/amd64/jli/libjli.so
    7f92c3c9a000-7f92c3cb0000 r-xp 00000000 ca:01 399898                     /usr/lib/libz.so.1.2.11
    7f92c3cb0000-7f92c3eaf000 ---p 00016000 ca:01 399898                     /usr/lib/libz.so.1.2.11
    7f92c3eaf000-7f92c3eb0000 r--p 00015000 ca:01 399898                     /usr/lib/libz.so.1.2.11
    7f92c3eb0000-7f92c3eb1000 rw-p 00016000 ca:01 399898                     /usr/lib/libz.so.1.2.11
    7f92c3eb1000-7f92c3eca000 r-xp 00000000 ca:01 396603                     /usr/lib/libpthread-2.26.so
    7f92c3eca000-7f92c40c9000 ---p 00019000 ca:01 396603                     /usr/lib/libpthread-2.26.so
    7f92c40c9000-7f92c40ca000 r--p 00018000 ca:01 396603                     /usr/lib/libpthread-2.26.so
    7f92c40ca000-7f92c40cb000 rw-p 00019000 ca:01 396603                     /usr/lib/libpthread-2.26.so
    7f92c40cb000-7f92c40cf000 rw-p 00000000 00:00 0
    7f92c40cf000-7f92c40f4000 r-xp 00000000 ca:01 396592                     /usr/lib/ld-2.26.so
    7f92c41de000-7f92c41e1000 ---p 00000000 00:00 0
    7f92c41e1000-7f92c42e1000 rw-p 00000000 00:00 0
    7f92c42e7000-7f92c42ef000 rw-s 00000000 00:26 21873                      /tmp/hsperfdata_mango/1026
    7f92c42ef000-7f92c42f0000 rw-p 00000000 00:00 0
    7f92c42f0000-7f92c42f1000 r--p 00000000 00:00 0
    7f92c42f1000-7f92c42f3000 rw-p 00000000 00:00 0
    7f92c42f3000-7f92c42f4000 r--p 00024000 ca:01 396592                     /usr/lib/ld-2.26.so
    7f92c42f4000-7f92c42f5000 rw-p 00025000 ca:01 396592                     /usr/lib/ld-2.26.so
    7f92c42f5000-7f92c42f6000 rw-p 00000000 00:00 0
    7ffd25f1a000-7ffd25f3b000 rw-p 00000000 00:00 0                          [stack]
    7ffd25f7b000-7ffd25f7d000 r--p 00000000 00:00 0                          [vvar]
    7ffd25f7d000-7ffd25f7f000 r-xp 00000000 00:00 0                          [vdso]
    
    VM Arguments:
    jvm_args: -Xms10g -Xmx10g -Dma.home=/var/opt/mango -Djava.library.path=/var/opt/mango/overrides/lib:/var/opt/mango/lib:/usr/lib/jni/:/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl
    java_command: com.serotonin.m2m2.Main
    java_class_path (initial): /var/opt/mango/overrides/classes:/var/opt/mango/classes:/var/opt/mango/overrides/properties:/var/opt/mango/overrides/lib/*:/var/opt/mango/lib/xmlbeans-2.6.0.jar:/var/opt/mango/lib/commons-dbcp-1.4.jar:/var/opt/mango/lib/commons-beanutils-1.9.3.jar:/var/opt/mango/lib/asm-commons-5.0.1.jar:/var/opt/mango/lib/spring-context-4.3.7.RELEASE.jar:/var/opt/mango/lib/taglibs-standard-impl-1.2.5.jar:/var/opt/mango/lib/spring-webmvc-4.3.7.RELEASE.jar:/var/opt/mango/lib/jsr311-api-1.1.1.jar:/var/opt/mango/lib/commons-codec-1.6.jar:/var/opt/mango/lib/jta-1.1.jar:/var/opt/mango/lib/ma-shared-1.2.3.jar:/var/opt/mango/lib/spring-test-4.0.5.RELEASE.jar:/var/opt/mango/lib/jscience-4.3.1.jar:/var/opt/mango/lib/http2-common-9.3.11.v20160721.jar:/var/opt/mango/lib/jetty-util-ajax-9.3.11.v20160721.jar:/var/opt/mango/lib/jetty-util-9.3.11.v20160721.jar:/var/opt/mango/lib/jetty-alpn-server-9.3.11.v20160721.jar:/var/opt/mango/lib/log4j-jcl-2.8.1.jar:/var/opt/mango/lib/dom4j-1.6.1.jar:/var/opt/mango/lib/websocket-server-9.3.11.v20160721.jar:/var/opt/mango/lib/jetty-servlets-9.3.11.v20160721.jar:/var/opt/mango/lib/swagger-core_2.10-1.3.7.jar:/var/opt/mango/lib/backport-util-concurrent-3.1.jar:/var/opt/mango/lib/jetty-http-9.3.11.v20160721.jar:/var/opt/mango/lib/jdom-1.1.3.jar:/var/opt/mango/lib/spring-tx-4.3.7.RELEASE.jar:/var/opt/mango/lib/jackson-annotations-2.8.6.jar:/var/opt/mango/lib/websocket-api-9.3.11.v20160721.jar:/var/opt/mango/lib/hibernate-core-3.3.0.GA.jar:/var/opt/mango/lib/annotations-2.0.1.jar:/var/opt/mango/lib/jackson-module-jsonSchema-2.1.0.jar:/var/opt/mango/lib/spring-beans-4.3.7.RELEASE.jar:/var/opt/mango/lib/jetty-xml-9.3.11.v20160721.jar:/var/opt/mango/lib/commons-collections-3.2.2.jar:/var/opt/mango/lib/jcommon-1.0.23.jar:/var/opt/mango/lib/paranamer-2.6.jar:/var/opt/mango/lib/java-semver-0.9.0.jar:/var/opt/mango/lib/json4s-core_2.10-3.2.9.jar:/var/opt/mango/lib/httpmime-4.5.3.jar:/var/opt/mango/lib/joda-convert-1.6.jar:/var/opt/mango/lib/a
    Launcher Type: SUN_STANDARD
    
    Environment Variables:
    PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl
    USERNAME=mango
    SHELL=/sbin/nologin
    
    Signal Handlers:
    SIGSEGV: [libjvm.so+0xaa46c0], sa_mask[0]=11111111011111111101111111111110, sa_flags=SA_RESTART|SA_SIGINFO
    SIGBUS: [libjvm.so+0xaa46c0], sa_mask[0]=11111111011111111101111111111110, sa_flags=SA_RESTART|SA_SIGINFO
    SIGFPE: [libjvm.so+0x8dc3d0], sa_mask[0]=11111111011111111101111111111110, sa_flags=SA_RESTART|SA_SIGINFO
    SIGPIPE: [libjvm.so+0x8dc3d0], sa_mask[0]=11111111011111111101111111111110, sa_flags=SA_RESTART|SA_SIGINFO
    SIGXFSZ: [libjvm.so+0x8dc3d0], sa_mask[0]=11111111011111111101111111111110, sa_flags=SA_RESTART|SA_SIGINFO
    SIGILL: [libjvm.so+0x8dc3d0], sa_mask[0]=11111111011111111101111111111110, sa_flags=SA_RESTART|SA_SIGINFO
    SIGUSR1: SIG_DFL, sa_mask[0]=00000000000000000000000000000000, sa_flags=none
    SIGUSR2: [libjvm.so+0x8dc280], sa_mask[0]=00000000000000000000000000000000, sa_flags=SA_RESTART|SA_SIGINFO
    SIGHUP: SIG_DFL, sa_mask[0]=00000000000000000000000000000000, sa_flags=none
    SIGINT: SIG_IGN, sa_mask[0]=00000000000000000000000000000000, sa_flags=none
    SIGTERM: SIG_DFL, sa_mask[0]=00000000000000000000000000000000, sa_flags=none
    SIGQUIT: SIG_IGN, sa_mask[0]=00000000000000000000000000000000, sa_flags=none
    
    
    ---------------  S Y S T E M  ---------------
    
    OS:NAME="Arch Linux"
    PRETTY_NAME="Arch Linux"
    ID=arch
    ID_LIKE=archlinux
    ANSI_COLOR="0;36"
    HOME_URL="https://www.archlinux.org/"
    SUPPORT_URL="https://bbs.archlinux.org/"
    BUG_REPORT_URL="https://bugs.archlinux.org/"
    
    
    uname:Linux 4.9.65-1-ec2-lts #1 SMP Wed Nov 29 09:39:59 PST 2017 x86_64
    libc:glibc 2.26 NPTL 2.26
    rlimit: STACK 8192k, CORE infinity, NPROC 7931, NOFILE 4096, AS infinity
    load average:0.00 0.01 0.00
    
    /proc/meminfo:
    MemTotal:        2046976 kB
    MemFree:         1639152 kB
    MemAvailable:    1771804 kB
    Buffers:           46116 kB
    Cached:           190884 kB
    SwapCached:            0 kB
    Active:           174148 kB
    Inactive:         128432 kB
    Active(anon):      65776 kB
    Inactive(anon):      616 kB
    Active(file):     108372 kB
    Inactive(file):   127816 kB
    Unevictable:           0 kB
    Mlocked:               0 kB
    SwapTotal:       2097148 kB
    SwapFree:        2097148 kB
    Dirty:               404 kB
    Writeback:             0 kB
    AnonPages:         65652 kB
    Mapped:            93208 kB
    Shmem:               744 kB
    Slab:              73184 kB
    SReclaimable:      56428 kB
    SUnreclaim:        16756 kB
    KernelStack:        2636 kB
    PageTables:        13808 kB
    NFS_Unstable:          0 kB
    Bounce:                0 kB
    WritebackTmp:          0 kB
    CommitLimit:     3120636 kB
    Committed_AS:    3805300 kB
    VmallocTotal:   34359738367 kB
    VmallocUsed:           0 kB
    VmallocChunk:          0 kB
    HardwareCorrupted:     0 kB
    AnonHugePages:      2048 kB
    ShmemHugePages:        0 kB
    ShmemPmdMapped:        0 kB
    HugePages_Total:       0
    HugePages_Free:        0
    HugePages_Rsvd:        0
    HugePages_Surp:        0
    Hugepagesize:       2048 kB
    DirectMap4k:       12288 kB
    DirectMap2M:     2084864 kB
    
    
    CPU:total 1 (initial active 1) (1 cores per cpu, 1 threads per core) family 6 model 63 stepping 2, cmov, cx8, fxsr, mmx, sse, sse2, sse3, ssse3, sse4.1, sse4.2, popcnt, avx, avx2, aes, clmul, erms, lzcnt, tsc, bmi1, bmi2
    
    /proc/cpuinfo:
    processor       : 0
    vendor_id       : GenuineIntel
    cpu family      : 6
    model           : 63
    model name      : Intel(R) Xeon(R) CPU E5-2676 v3 @ 2.40GHz
    stepping        : 2
    microcode       : 0x3b
    cpu MHz         : 2400.085
    cache size      : 30720 KB
    physical id     : 0
    siblings        : 1
    core id         : 0
    cpu cores       : 1
    apicid          : 0
    initial apicid  : 0
    fpu             : yes
    fpu_exception   : yes
    cpuid level     : 13
    wp              : yes
    flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx rdtscp lm constant_tsc rep_good nopl xtopology eagerfpu pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm fsgsbase bmi1 avx2 smep bmi2 erms invpcid xsaveopt
    bugs            :
    bogomips        : 4800.13
    clflush size    : 64
    cache_alignment : 64
    address sizes   : 46 bits physical, 48 bits virtual
    power management:
    
    
    
    Memory: 4k page, physical 2046976k(1639152k free), swap 2097148k(2097148k free)
    
    vm_info: OpenJDK 64-Bit Server VM (25.144-b01) for linux-amd64 JRE (1.8.0_144-b01), built on Jul 28 2017 20:07:18 by "builduser" with gcc 7.1.1 20170630
    
    time: Thu Dec  7 11:39:30 2017
    elapsed time: 0 seconds (0d 0h 0m 0s)
    

    dmesg had no related information. :(

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