java.sql.SQLException: Failed to get connection from Windchill:

Many time we are receiving below connectivity exception.

java.sql.SQLException:

Failed to get connection from Windchill:

Failed to get connection in the method Query.obtainConnection() - this.connection is null.

at com.lcs.wc.db.Query.obtainConnection(Query.java:377)

at com.lcs.wc.db.Query.prepareForQuery(Query.java:113)

at com.lcs.wc.db.Query.runPreparedQuery(Query.java:226)

at com.lcs.wc.db.Query.runQuery(Query.java:194)

at com.lcs.wc.foundation.LCSQuery.runDirectQuery(LCSQuery.java:251)

Windchill/FlexPLM version

Support   Support                            Installer

      Datecode  Release Number  Release Id         Sequence   Display Label

  --  --------  --------------  ---------------    ---------  ---------------------

      M060      9.1             pdml.9.1.60.12     03         Windchill PDMLink

      M060      9.1             flexplm.9.2.10.41  01         FlexPLM Solution

      M060      9.1             ie.9.1.60.12       03         Info*Engine

      M060      9.1             wnc.9.1.60.12      03         Windchill Services

Below actions has been taken-

1)Checked database connectivity issue and DBA said everthing is ok from there side.

2)Network team also said everthing ok from there side.

3)Linux server team also didnt found any issue from there side.

########

Will have 4 clustered servers with windchill/Flexplm application running and max db connection from each slave is---

wt.pom.maxDbConnections=5

Will this issue solve with increasing maxdb connection?

Do any one facing same issue?



Thank you in advance.



Best Regards,

Amol