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Re: [External] Facing error frequently on tomcat app server - Mailing list pgsql-bugs

From Vijaykumar Jain
Subject Re: [External] Facing error frequently on tomcat app server
Date
Msg-id CAE7uO5hm5hGA7Z_TdEW82bx47WFOAng0eoFH3N+_HOb_VKCDjA@mail.gmail.com
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In response to Facing error frequently on tomcat app server  (lakshmikanth chintakindi <lakshmikanth_ch@optum.com>)
Responses RE: [External] Facing error frequently on tomcat app server  (lakshmikanth chintakindi <lakshmikanth_ch@optum.com>)
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The above logs just shows tomcat has some issue connecting to postgresql server, but not helpful beyond that.
There may be a few things to check.

i guess the list here is good for reference to check

Also, do you connect to postgresql server directly or via some pooling like pgbouncer?

Regards,
Vijay


On Mon, Jan 28, 2019 at 1:28 PM lakshmikanth chintakindi <lakshmikanth_ch@optum.com> wrote:

Hi Team,

 

We are facing issue frequently on one of the tomcat app server with the below error.

After restarting the JVM the issue will resolves and again it occurs after 1-2days.Could you please help on this below postgres error.

 

Db server

postgres --version

postgres (PostgreSQL) 10.3

 

App Server

Server version: Apache Tomcat/6.0.29

Server built:   July 19 2010 1458

Server number:  6.0.0.29

OS Name:        Linux

OS Version:     2.6.32-754.3.5.el6.x86_64

Architecture:   amd64

JVM Version:    1.8.0_121-b13

JVM Vendor:     Oracle Corporation

 

 

Jan 26, 2019 3:27:51 AM org.postgresql.Driver connect

SEVERE: Connection error:

org.postgresql.util.PSQLException: The connection attempt failed.

        at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:275)

        at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:49)

        at org.postgresql.jdbc.PgConnection.<init>(PgConnection.java:194)

        at org.postgresql.Driver.makeConnection(Driver.java:450)

        at org.postgresql.Driver.connect(Driver.java:252)

        at java.sql.DriverManager.getConnection(DriverManager.java:664)

        at java.sql.DriverManager.getConnection(DriverManager.java:247)

        at com.uhg.ihr.jedi.database.DataSource.<init>(DataSource.java:31)

        at com.uhg.ihr.jedi.database.SqlDatabase.newDataSource(SqlDatabase.java:400)

        at com.uhg.ihr.jedi.database.SqlDatabase.<init>(SqlDatabase.java:170)

        at com.uhg.ihr.jedi.database.postgresql.PostgresqlDatabase.<init>(PostgresqlDatabase.java:99)

        at com.uhg.ihr.jedi.database.Database.open(Database.java:145)

        at com.uhg.ihr.jedi.database.Database.open(Database.java:157)

        at com.uhg.ihr.cache.resourcepool.DatabasePool.createResourceImpl(DatabasePool.java:226)

        at com.uhg.ihr.cache.resourcepool.DatabasePool.createResourceImpl(DatabasePool.java:32)

        at com.uhg.ihr.cache.resourcepool.ResourcePool.createResource(ResourcePool.java:349)

        at com.uhg.ihr.cache.resourcepool.ResourcePool.get(ResourcePool.java:217)

        at com.uhg.ihr.cache.resourcepool.BoundedResourcePool.get(BoundedResourcePool.java:78)

        at com.uhg.ihr.service.mq.fair.DefaultFairQueueComponentQueue.getFairCount(DefaultFairQueueComponentQueue.java:46)

        at com.uhg.ihr.service.message.fair.DefaultFairHealthDataMessageQueueService$ComponentQueueMonitorTask.adjustFeederThreadPool(DefaultFairHealthDataMessageQueueService.java:251)

        at java.util.ArrayList.forEach(ArrayList.java:1249)

        at com.uhg.ihr.service.message.fair.DefaultFairHealthDataMessageQueueService$ComponentQueueMonitorTask.run(DefaultFairHealthDataMessageQueueService.java:217)

        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)

        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)

        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)

        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)

        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

        at java.lang.Thread.run(Thread.java:745)

Caused by: java.io.EOFException

        at org.postgresql.core.PGStream.receiveChar(PGStream.java:290)

        at org.postgresql.core.v3.ConnectionFactoryImpl.doAuthentication(ConnectionFactoryImpl.java:418)

        at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:222)

        ... 28 more

 

Thanks and Regards,

Lakshmikanth.Ch

Mob:- 7044546234

 


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