perfSONAR User Q&A and Other Discussion

[Szymon Trocha <>]

W dniu 06.09.2016 o 18:49, Andrew Lake pisze:

Hi,

That error is because Apache can’t connect to the local maddash-server process. What is in /var/log/maddash/maddash-server.netlogger.log ot  /var/log/maddash-server/maddash-server.out?

In maddash-server.out I'm getting this:
============= begin nested exception, level (3) ===========
ERROR XBM0H: Directory /etc/httpd/conf.d/data/dashboard.db/maddash cannot be created.
        at org.apache.derby.iapi.error.StandardException.newException(Unknown Source)
        at org.apache.derby.impl.services.monitor.StorageFactoryService$9.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at org.apache.derby.impl.services.monitor.StorageFactoryService.createServiceRoot(Unknown Source)
        at org.apache.derby.impl.services.monitor.BaseMonitor.bootService(Unknown Source)
        at org.apache.derby.impl.services.monitor.BaseMonitor.createPersistentService(Unknown Source)
        at org.apache.derby.iapi.services.monitor.Monitor.createPersistentService(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedConnection.createDatabase(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedConnection.<init>(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedConnection30.<init>(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedConnection40.<init>(Unknown Source)
        at org.apache.derby.jdbc.Driver40.getNewEmbedConnection(Unknown Source)
        at org.apache.derby.jdbc.InternalDriver.connect(Unknown Source)
        at org.apache.derby.jdbc.AutoloadedDriver.connect(Unknown Source)
        at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:119)
        at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:143)
        at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1PooledConnectionResourcePoolManager.acquireResource(C3P0PooledConnectionPool.java:148)
        at com.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014)
        at com.mchange.v2.resourcepool.BasicResourcePool.access$800(BasicResourcePool.java:32)
        at com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810)
        at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:547)
============= end nested exception, level (3) ===========
Cleanup action completed
log4j:WARN No appenders could be found for logger (com.mchange.v2.resourcepool.BasicResourcePool).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN No appenders could be found for logger (com.mchange.v2.resourcepool.BasicResourcePool).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN No appenders could be found for logger (com.mchange.v2.resourcepool.BasicResourcePool).
log4j:WARN Please initialize the log4j system properly.
Initialization error: Connections could not be acquired from the underlying database!
java.lang.RuntimeException: Connections could not be acquired from the underlying database!
        at net.es.maddash.MaDDashGlobals.<init>(MaDDashGlobals.java:213)
        at net.es.maddash.MaDDashGlobals.getInstance(MaDDashGlobals.java:484)
        at net.es.maddash.Invoker.main(Invoker.java:55)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at com.simontuffs.onejar.Boot.run(Boot.java:340)
        at com.simontuffs.onejar.Boot.main(Boot.java:166)
[root@prinsepia11 maddash]#

and in netlogger some messages too:
level=ERROR ts=2016-09-06T13:34:45.924913Z event=maddash.init.end guid=e62d2b86-826a-45c7-8ded-83ccf8917c53 status=-1 msg="Connections could not be acquired from the underlying database!"
level=INFO ts=2016-09-06T14:03:54.412516Z event=maddash.init.start guid=e0047493-dab3-4fbc-95da-692623a0a779
level=ERROR ts=2016-09-06T14:04:24.433540Z event=maddash.init.end guid=e0047493-dab3-4fbc-95da-692623a0a779 status=-1 msg="Connections could not be acquired from the underlying database!"

-- 
Szymon Trocha

Poznań Supercomputing & Networking Center
Tel. +48 618582022 ::: http://noc.pcss.pl