This Exception occurs occasionally in the DBCP connection pool and Mysql database. if this Exception occurs, catch the Exception, however, this exception cannot be caught in a strange way. The exception is always sent back to the VM and printed. Which of the following is the exception? Warning: ConnectionhasbeenabandonedPooledConnection [com. mysql. jdbc. connection @ 517667bd]: java. lang. predictionatorg. apache. tomcat .... connectionmysqljavadbcpexception
This Exception occurs occasionally in the DBCP connection pool and Mysql database. if this Exception occurs, catch the Exception, however, this exception cannot be caught in a strange way. The exception is always returned to the VM and printed. Which of the following is the exception?
Warning Connection has been abandoned PooledConnection [com. mysql. jdbc. Connection @ 5
17667bd]: java. lang. Exception
At org. apache. tomcat. jdbc. pool. ConnectionPool. getThreadDump (ConnectionPo
Ol. java: 1062)
At org. apache. tomcat. jdbc. pool. ConnectionPool. createConnection (Connectio
NPool. java: 704)
At org. apache. tomcat. jdbc. pool. ConnectionPool. borrowConnection (Connectio
NPool. java: 631)
At org. apache. tomcat. jdbc. pool. ConnectionPool. init (ConnectionPool. java: 4
85)
At org. apache. tomcat. jdbc. pool. ConnectionPool. (ConnectionPool. java
: 143)
At org. apache. tomcat. jdbc. pool. performanceproxy. pCreatePool (performancepro
Xy. java: 116)
At org. apache. tomcat. jdbc. pool. performanceproxy. createPool (performanceprox
Y. java: 103)
At org. apache. tomcat. jdbc. pool. performanceproxy. getConnection (performancep
Roxy. java: 127)
At analyseutil. dbmanager. C3P0ConnectionPool. getConnection (C3P0Connection
Pool. java: 38)
At analyseutil. dbmanager. DBManager. findCompanyByName (DBManager. java: 41)
At datastore. InsertOrUpdate. handleNextData (InsertOrUpdate. java: 108)
At datastore. InsertOrUpdate $ 1.run( InsertOrUpdate. java: 48)
At java. lang. Thread. run (Thread. java: 662)