Re: Tomcat 6 database connection issue

Tue, 24 Feb 2015 07:13:49 -0800 


On 2/23/2015 2:46 PM, Daniel Mikusa wrote:

On Feb 23, 2015 12:49 PM, "Mark Maciolek" <mark.macio...@unh.edu> wrote:


On 2/23/2015 12:37 PM, Daniel Mikusa wrote:

On Mon, Feb 23, 2015 at 12:25 PM, Mark Maciolek <mark.macio...@unh.edu>
wrote:


On 2/23/2015 9:55 AM, Daniel Mikusa wrote:


On Mon, Feb 23, 2015 at 9:46 AM, Mark Maciolek <mark.macio...@unh.edu>
wrote:

   hi,

operating system:
Scientific Linux release 6.6 (Carbon)

postgres version
postgresql-server-8.4.2

tomcat version
tomcat6-6.0.24

Tomcat starts and I can reach page at the 8080 port on the server
when I add the following xml file and restart tomcat I get this error:

Feb 23, 2015 9:28:16 AM org.apache.catalina.startup.ContextConfig
processContextConfig
SEVERE: Parse error in context.xml for /cooa
org.xml.sax.SAXParseException; systemId: file:///etc/tomcat6/Catalina/
localhost/cooa.xml;
lineNumber: 21; columnNumber: 12; Error at (21, 12: null

<?xml version="1.0" encoding="UTF-8"?>

<Context>
           path="/web/opal/webapps"
           docBase="/web/opal/webapps/ROOT"
           debug="5"
           reloadable="true"
           allowLinking="true"

<Resource>
           name="jdbc/postgres"
           auth="Container"
           type="javax.sql.DataSource"
           driverClassName="org.postgresql.Driver"
           url="jdbc:postgresql://127.0.0.1:5432/cooa"
           username="dbuser"
           password="*****"
           maxActive="20"
           maxIdle="10"
           maxWait="10000"
</Resource>

   This could be the list or a copy / paste issue, but you should not

have

the
">" on the opening resource tag.  It should be after your last

attribute

(i.e. after maxWait.  You also don't need the closing Resource tag.

Ex:

<Context
           path="/web/opal/webapps"
           docBase="/web/opal/webapps/ROOT"
           debug="5"
           reloadable="true"
           allowLinking="true">
<Resource
           name="jdbc/postgres"
           auth="Container"
           type="javax.sql.DataSource"
           driverClassName="org.postgresql.Driver"
           url="jdbc:postgresql://127.0.0.1:5432/cooa"
           username="dbuser"
           password="*****"
           maxActive="20"
           maxIdle="10"
           maxWait="10000" />
</Context>

Dan

PS:  Remove "path", it's not valid here.  Remove "debug", I don't think
that does anything.  Also, you probably want to remove docBase because
you're pointing to something in the webapps folder (i.e. appBase), and

you

should only use docBase if your app is outside of the appBase folder.




</Context>

Line #21 is the </Resource> ran file past xml parse checker and

reports

everything okay.

Been googling it for two days now and can not figure out what I have

done

wrong.

Mark


--

Mark Maciolek
Network Administrator
Morse Hall Room 339
603-862-3050
https://www.unh.edu/research/support-units/research-computing-center


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   hi,

Changing the xml file per your suggestions loads now and  my jsp pages

now

load as long as they don't need a database connection.

I expect to see new postgres processes similar to this from a working
server:

postgres   407  7734  0 Feb17 ?        00:01:00 postgres: dbuser
eosearthdata 127.0.0.1(60176) idle
postgres   408  7734  0 Feb17 ?        00:01:00 postgres: dbuser
eosearthdata 127.0.0.1(60177) idle
postgres   409  7734  0 Feb17 ?        00:01:01 postgres: dbuser
eosearthdata 127.0.0.1(60178) idle
postgres   410  7734  0 Feb17 ?        00:01:00 postgres: dbuser
eosearthdata 127.0.0.1(60179) idle
postgres   411  7734  0 Feb17 ?        00:01:01 postgres: dbuser
eosearthdata 127.0.0.1(60180) idle

Starting tomcat  does not start the additional postgres processes on my
server.
It is trying to though:


Do you have Postgres running on the same machine as Tomcat?  Looks like
it's waiting trying to make a connection, although it's a little hard to
say because it looks like you're using a custom pool
(edu.unh.sr.cooa.DBPool?).

Dan


hi,

yes, postgres and tomcat are on same server,

OK. It does seem like its hanging on connection. Have you actually tried
the connection details outside of Tomcat? Perhaps with a command line tool
or simple Java app?


it is a custom pool because when moved to production server it will be

sharing tomcat and postgres resources with other web sites.

I don't know your circumstances but as an fyi Tomcat can share connection
pools across multiple apps on one server.


For testing purposes I would be willing to make it a standard pool.

If you could, that would be helpful.

Thanks

Dan

hi,

added this line to my context xml and pool connections start

factory="org.apache.tomcat.jdbc.pool.DataSourceFactory"
had to get older tomcat-jdbc.jar
now on to updating my web pages to use this

mark


Mark



When I  kill -3 <tomcat pid>

2015-02-23 12:16:21
Full thread dump OpenJDK 64-Bit Server VM (23.25-b01 mixed mode):

"http-8080-7" daemon prio=10 tid=0x00007f133c1b3000 nid=0x7134 in
Object.wait() [0x00007f1348f39000]
     java.lang.Thread.State: WAITING (on object monitor)
          at java.lang.Object.wait(Native Method)
          - waiting on <0x00000000bae00240> (a

org.apache.tomcat.util.net.AprEndpo

int$Worker)
          at java.lang.Object.wait(Object.java:502)
          at

org.apache.tomcat.util.net.AprEndpoint$Worker.await(AprEndpoint.java:

1511)
          - locked <0x00000000bae00240> (a

org.apache.tomcat.util.net.AprEndpoint$

Worker)
          at

org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:15

36)
          at java.lang.Thread.run(Thread.java:701)

"http-8080-6" daemon prio=10 tid=0x00007f135001b800 nid=0x712e in
Object.wait() [0x00007f134903a000]
     java.lang.Thread.State: WAITING (on object monitor)
          at java.lang.Object.wait(Native Method)
          - waiting on <0x00000000bae002d8> (a

org.apache.tomcat.util.net.AprEndpo

int$Worker)
          at java.lang.Object.wait(Object.java:502)
          at

org.apache.tomcat.util.net.AprEndpoint$Worker.await(AprEndpoint.java:

1511)
          - locked <0x00000000bae002d8> (a

org.apache.tomcat.util.net.AprEndpoint$

Worker)
          at

org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:15

36)
          at java.lang.Thread.run(Thread.java:701)

"http-8080-5" daemon prio=10 tid=0x00007f1350017800 nid=0x712d in
Object.wait() [0x00007f134913b000]
     java.lang.Thread.State: WAITING (on object monitor)
          at java.lang.Object.wait(Native Method)
          - waiting on <0x00000000bae00370> (a

org.apache.tomcat.util.net.AprEndpo

int$Worker)
          at java.lang.Object.wait(Object.java:502)
          at

org.apache.tomcat.util.net.AprEndpoint$Worker.await(AprEndpoint.java:

1511)
          - locked <0x00000000bae00370> (a

org.apache.tomcat.util.net.AprEndpoint$

Worker)
          at

org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:15

36)
          at java.lang.Thread.run(Thread.java:701)

"http-8080-4" daemon prio=10 tid=0x00007f1350014000 nid=0x712c in
Object.wait() [0x00007f134923c000]
     java.lang.Thread.State: WAITING (on object monitor)
          at java.lang.Object.wait(Native Method)
          - waiting on <0x00000000bae00408> (a

org.apache.tomcat.util.net.AprEndpo

int$Worker)
          at java.lang.Object.wait(Object.java:502)
          at

org.apache.tomcat.util.net.AprEndpoint$Worker.await(AprEndpoint.java:

1511)
          - locked <0x00000000bae00408> (a

org.apache.tomcat.util.net.AprEndpoint$

Worker)
          at

org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:15

36)
          at java.lang.Thread.run(Thread.java:701)

"http-8080-3" daemon prio=10 tid=0x00007f1350010800 nid=0x712b in
Object.wait() [0x00007f134933d000]
     java.lang.Thread.State: WAITING (on object monitor)
          at java.lang.Object.wait(Native Method)
          - waiting on <0x00000000bae004a0> (a

org.apache.tomcat.util.net.AprEndpo

int$Worker)
          at java.lang.Object.wait(Object.java:502)
          at

org.apache.tomcat.util.net.AprEndpoint$Worker.await(AprEndpoint.java:

1511)
          - locked <0x00000000bae004a0> (a

org.apache.tomcat.util.net.AprEndpoint$

Worker)
          at

org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:15

36)
          at java.lang.Thread.run(Thread.java:701)

"ajp-8009-Acceptor-0" daemon prio=10 tid=0x00007f136075c000 nid=0x7128
runnable [0x00007f1349a66000]
     java.lang.Thread.State: RUNNABLE
          at org.apache.tomcat.jni.Socket.accept(Native Method)
          at

org.apache.tomcat.util.net.AprEndpoint$Acceptor.run(AprEndpoint.java:

1156)
          at java.lang.Thread.run(Thread.java:701)

"ajp-8009-CometPoller-0" daemon prio=10 tid=0x00007f136074e000

nid=0x7127

in Obj ect.wait() [0x00007f1349b67000]
     java.lang.Thread.State: WAITING (on object monitor)
          at java.lang.Object.wait(Native Method)
          - waiting on <0x00000000bae005b8> (a

org.apache.tomcat.util.net.AprEndpo

int$Poller)
          at java.lang.Object.wait(Object.java:502)
          at

org.apache.tomcat.util.net.AprEndpoint$Poller.run(AprEndpoint.java:13

13)
          - locked <0x00000000bae005b8> (a

org.apache.tomcat.util.net.AprEndpoint$

Poller)
          at java.lang.Thread.run(Thread.java:701)

"ajp-8009-Poller-0" daemon prio=10 tid=0x00007f1360653800 nid=0x7126 in
Object.w ait() [0x00007f1349c68000]
     java.lang.Thread.State: WAITING (on object monitor)
          at java.lang.Object.wait(Native Method)
          - waiting on <0x00000000bae00660> (a

org.apache.tomcat.util.net.AprEndpo

int$Poller)
          at java.lang.Object.wait(Object.java:502)
          at

org.apache.tomcat.util.net.AprEndpoint$Poller.run(AprEndpoint.java:13

13)
          - locked <0x00000000bae00660> (a

org.apache.tomcat.util.net.AprEndpoint$

Poller)
          at java.lang.Thread.run(Thread.java:701)

"http-8080-2" daemon prio=10 tid=0x00007f135000c800 nid=0x7125 waiting

for

monit or entry [0x00007f1349d68000]
     java.lang.Thread.State: BLOCKED (on object monitor)
          at edu.unh.sr.cooa.DBPool.getInstance(DBPool.java:66)
          - waiting to lock <0x00000000bae00708> (a java.lang.Class for
edu.unh.sr .cooa.DBPool)
          at

org.apache.jsp.data.boats.bottle.index_jsp._jspService(index_jsp.java

:68)
          at org.apache.jasper.runtime.HttpJspBase.service(
HttpJspBase.java:70)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
          at

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper

.java:377)
          at

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:3

13)
          at org.apache.jasper.servlet.JspServlet.service(JspServlet.
java:260)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
          at

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl

icationFilterChain.java:290)
          at

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF

ilterChain.java:206)
          at

org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV

alve.java:233)
          at

org.apache.catalina.core.StandardContextValve.invoke(StandardContextV

alve.java:191)
          at

org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j

ava:127)
          at

org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j

ava:102)
          at

org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal

ve.java:109)
          at

org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav

a:298)
          at

org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcesso

r.java:865)
          at

org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.pr

ocess(Http11AprProtocol.java:579)
          at

org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:15

55)
          at java.lang.Thread.run(Thread.java:701)

"http-8080-1" daemon prio=10 tid=0x00007f1350008800 nid=0x7124 waiting

on

condit ion [0x00007f1349e68000]
     java.lang.Thread.State: TIMED_WAITING (sleeping)
          at java.lang.Thread.sleep(Native Method)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:88)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.createDBConnection(DBPool.java:89)
          - locked <0x00000000bae00c60> (a edu.unh.sr.cooa.DBPool)
          at edu.unh.sr.cooa.DBPool.<init>(DBPool.java:55)
          at edu.unh.sr.cooa.DBPool.getInstance(DBPool.java:67)
          - locked <0x00000000bae00708> (a java.lang.Class for
edu.unh.sr.cooa.DBP ool)
          at

org.apache.jsp.data.boats.bottle.index_jsp._jspService(index_jsp.java

:68)
          at org.apache.jasper.runtime.HttpJspBase.service(
HttpJspBase.java:70)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
          at

org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper

.java:377)
          at

org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:3

13)
          at org.apache.jasper.servlet.JspServlet.service(JspServlet.
java:260)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
          at org.apache.catalina.core.ApplicationFilterChain.
internalDoFilter(ApplicationFilterChain.java:290)

          at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:206)
          at org.apache.catalina.core.StandardWrapperValve.invoke(
StandardWrapperValve.java:233)

          at org.apache.catalina.core.StandardContextValve.invoke(
StandardContextValve.java:191)
          at org.apache.catalina.core.StandardHostValve.invoke(
StandardHostValve.java:127)

          at org.apache.catalina.valves.ErrorReportValve.invoke(
ErrorReportValve.java:102)
          at org.apache.catalina.core.StandardEngineValve.invoke(
StandardEngineValve.java:109)

          at org.apache.catalina.connector.CoyoteAdapter.service(
CoyoteAdapter.java:298)
          at org.apache.coyote.http11.Http11AprProcessor.process(
Http11AprProcessor.java:865)

          at org.apache.coyote.http11.Http11AprProtocol$
Http11ConnectionHandler.process(Http11AprProtocol.java:579)
          at org.apache.tomcat.util.net.AprEndpoint$Worker.run(
AprEndpoint.java:1555)
          at java.lang.Thread.run(Thread.java:701)

"http-8080-Acceptor-0" daemon prio=10 tid=0x00007f1360531800 nid=0x7123
runnable [0x00007f1349f6b000]
     java.lang.Thread.State: RUNNABLE
          at org.apache.tomcat.jni.Socket.accept(Native Method)
          at

org.apache.tomcat.util.net.AprEndpoint$Acceptor.run(AprEndpoint.java:

1156)
          at java.lang.Thread.run(Thread.java:701)

"http-8080-Sendfile-0" daemon prio=10 tid=0x00007f1360530000 nid=0x7122

in

Objec t.wait() [0x00007f134a06c000]
     java.lang.Thread.State: WAITING (on object monitor)
          at java.lang.Object.wait(Native Method)
          - waiting on <0x00000000bae01410> (a

org.apache.tomcat.util.net.AprEndpo

int$Sendfile)
          at java.lang.Object.wait(Object.java:502)
          at

org.apache.tomcat.util.net.AprEndpoint$Sendfile.run(AprEndpoint.java:

1773)
          - locked <0x00000000bae01410> (a

org.apache.tomcat.util.net.AprEndpoint$

Sendfile)
          at java.lang.Thread.run(Thread.java:701)

"http-8080-CometPoller-0" daemon prio=10 tid=0x00007f1360524800

nid=0x7121

in Object.wait() [0x00007f134a16d000]
     java.lang.Thread.State: WAITING (on object monitor)
          at java.lang.Object.wait(Native Method)
          - waiting on <0x00000000bae014b0> (a

org.apache.tomcat.util.net.AprEndpo

int$Poller)
          at java.lang.Object.wait(Object.java:502)
          at

org.apache.tomcat.util.net.AprEndpoint$Poller.run(AprEndpoint.java:13

13)
          - locked <0x00000000bae014b0> (a org.apache.tomcat.util.net.
AprEndpoint$Poller)
          at java.lang.Thread.run(Thread.java:701)

"http-8080-Poller-0" daemon prio=10 tid=0x00007f1360544000 nid=0x7120 in
Object.wait() [0x00007f135c16c000]
     java.lang.Thread.State: WAITING (on object monitor)
          at java.lang.Object.wait(Native Method)
          - waiting on <0x00000000bae01558> (a org.apache.tomcat.util.net

.

AprEndpoint$Poller)
          at java.lang.Object.wait(Object.java:502)
          at

org.apache.tomcat.util.net.AprEndpoint$Poller.run(AprEndpoint.java:13

13)
          - locked <0x00000000bae01558> (a org.apache.tomcat.util.net.
AprEndpoint$Poller)
          at java.lang.Thread.run(Thread.java:701)

"ContainerBackgroundProcessor[StandardEngine[Catalina]]" daemon prio=10
tid=0x00 007f136053b800 nid=0x711f waiting on condition

[0x00007f135c26d000]

     java.lang.Thread.State: TIMED_WAITING (sleeping)
          at java.lang.Thread.sleep(Native Method)
          at org.apache.catalina.core.ContainerBase$
ContainerBackgroundProcessor.run(ContainerBase.java:1579)
          at java.lang.Thread.run(Thread.java:701)

"GC Daemon" daemon prio=10 tid=0x00007f136043d800 nid=0x711e in
Object.wait() [0 x00007f1364123000]
     java.lang.Thread.State: TIMED_WAITING (on object monitor)
          at java.lang.Object.wait(Native Method)
          - waiting on <0x00000000cdd43778> (a sun.misc.GC$LatencyLock)
          at sun.misc.GC$Daemon.run(GC.java:117)
          - locked <0x00000000cdd43778> (a sun.misc.GC$LatencyLock)

"Low Memory Detector" daemon prio=10 tid=0x00007f13600f5800 nid=0x711b
runnable [0x0000000000000000]
     java.lang.Thread.State: RUNNABLE

"C2 CompilerThread1" daemon prio=10 tid=0x00007f13600f3000 nid=0x711a
waiting on condition [0x0000000000000000]
     java.lang.Thread.State: RUNNABLE

"C2 CompilerThread0" daemon prio=10 tid=0x00007f13600f0800 nid=0x7119
waiting on condition [0x0000000000000000]
     java.lang.Thread.State: RUNNABLE

"Signal Dispatcher" daemon prio=10 tid=0x00007f13600ee800 nid=0x7118
waiting on condition [0x0000000000000000]
     java.lang.Thread.State: RUNNABLE

"Finalizer" daemon prio=10 tid=0x00007f136009b800 nid=0x7117 in
Object.wait() [0 x00007f1364bd1000]
     java.lang.Thread.State: WAITING (on object monitor)
          at java.lang.Object.wait(Native Method)
          - waiting on <0x00000000cdb546f0> (a

java.lang.ref.ReferenceQueue$

Lock)
          at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:133)
          - locked <0x00000000cdb546f0> (a java.lang.ref.ReferenceQueue$
Lock)
          at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:149)
          at

java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:189)

"Reference Handler" daemon prio=10 tid=0x00007f1360099800 nid=0x7116 in
Object.w ait() [0x00007f1364cd2000]
     java.lang.Thread.State: WAITING (on object monitor)
          at java.lang.Object.wait(Native Method)
          - waiting on <0x00000000cdb54480> (a

java.lang.ref.Reference$Lock)

          at java.lang.Object.wait(Object.java:502)
          at java.lang.ref.Reference$ReferenceHandler.run(
Reference.java:133)
          - locked <0x00000000cdb54480> (a java.lang.ref.Reference$Lock)

"main" prio=10 tid=0x00007f1360009000 nid=0x7113 runnable
[0x00007f1365fb7000]
     java.lang.Thread.State: RUNNABLE
          at java.net.PlainSocketImpl.socketAccept(Native Method)
          at

java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:

375)
          at java.net.ServerSocket.implAccept(ServerSocket.java:478)
          at java.net.ServerSocket.accept(ServerSocket.java:446)
          at

org.apache.catalina.core.StandardServer.await(StandardServer.java:389

)
          at

org.apache.catalina.startup.Catalina.await(Catalina.java:657)

          at

org.apache.catalina.startup.Catalina.start(Catalina.java:617)

          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at

sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.

java:57)
          at

sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces

sorImpl.java:43)
          at java.lang.reflect.Method.invoke(Method.java:622)
          at

org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)

          at

org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)

"VM Thread" prio=10 tid=0x00007f136008a800 nid=0x7115 runnable

"VM Periodic Task Thread" prio=10 tid=0x00007f1360100800 nid=0x711c
waiting on condition

JNI global references: 253

Heap
   def new generation   total 18432K, used 3571K [0x00000000b9c00000,
0x00000000bb 000000, 0x00000000cdb50000)
    eden space 16384K,   9% used [0x00000000b9c00000, 0x00000000b9d7cff8,
0x000000 00bac00000)
    from space 2048K, 100% used [0x00000000bae00000, 0x00000000bb000000,
0x0000000 0bb000000)
    to   space 2048K,   0% used [0x00000000bac00000, 0x00000000bac00000,
0x0000000 0bae00000)
   tenured generation   total 40896K, used 4306K [0x00000000cdb50000,
0x00000000d0 340000, 0x00000000f5a00000)
     the space 40896K,  10% used [0x00000000cdb50000, 0x00000000cdf849a0,
0x000000 00cdf84a00, 0x00000000d0340000)
   compacting perm gen  total 21248K, used 13892K [0x00000000f5a00000,
0x00000000f 6ec0000, 0x0000000100000000)
     the space 21248K,  65% used [0x00000000f5a00000, 0x00000000f6791378,
0x000000 00f6791400, 0x00000000f6ec0000)
No shared spaces configured.



What should be my next step in troubleshooting this issue?

mark




--

Mark Maciolek
Network Administrator
Morse Hall Room 339
603-862-3050
https://www.unh.edu/research/support-units/research-computing-center


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Mark Maciolek
Network Administrator
Morse Hall Room 339
603-862-3050
https://www.unh.edu/research/support-units/research-computing-center


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Mark Maciolek
Network Administrator
Morse Hall Room 339
603-862-3050
https://www.unh.edu/research/support-units/research-computing-center


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