mysql - glassfish nested connection pool error -



mysql - glassfish nested connection pool error -

i have made mysql connection pool in glassfish.

after every 5 mins giving error although can utilize connection pool.

severe: sat jul 09 13:57:05 ist 2011 warn: caught while disconnecting... exception stack trace: ** begin nested exception ** java.net.socketexception message: socket not connected stacktrace: java.net.socketexception: socket not connected @ java.net.socket.shutdowninput(socket.java:1379) @ com.mysql.jdbc.mysqlio.quit(mysqlio.java:1686) @ com.mysql.jdbc.connectionimpl.realclose(connectionimpl.java:4388) @ com.mysql.jdbc.connectionimpl.close(connectionimpl.java:1564) @ com.mysql.jdbc.jdbc2.optional.mysqlpooledconnection.close(mysqlpooledconnection.java:205) @ com.mysql.jdbc.jdbc2.optional.jdbc4mysqlxaconnection.close(jdbc4mysqlxaconnection.java:49) @ com.sun.gjc.spi.managedconnection.destroy(managedconnection.java:399) @ com.sun.enterprise.resource.allocator.connectorallocator.destroyresource(connectorallocator.java:196) @ com.sun.enterprise.resource.pool.connectionpool.deleteresource(connectionpool.java:955) @ com.sun.enterprise.resource.pool.datastructure.rwlockdatastructure.removeresource(rwlockdatastructure.java:153) @ com.sun.enterprise.resource.pool.resizer.resizer.removeidleandinvalidresources(resizer.java:207) @ com.sun.enterprise.resource.pool.resizer.resizer.resizepool(resizer.java:113) @ com.sun.enterprise.resource.pool.resizer.resizer.run(resizer.java:93) @ java.util.timerthread.mainloop(timer.java:512) @ java.util.timerthread.run(timer.java:462) ** end nested exception **

the mysql config file(my.ini)

[client] port=3306 [mysql] default-character-set=utf8 [mysqld] port=3306 basedir="p:/mysql/mysql server 5.5/" datadir="p:/mysql/mysql server 5.5/data/" character-set-server=utf8 default-storage-engine=innodb sql-mode="strict_trans_tables,no_auto_create_user,no_engine_substitution" max_connections = 200 query_cache_size=32m table_cache=256 tmp_table_size=35m thread_cache_size=8 myisam_max_sort_file_size=100g myisam_sort_buffer_size=69m key_buffer_size=49m read_buffer_size=64k read_rnd_buffer_size=256k sort_buffer_size=256k innodb_data_home_dir="p:/mysql datafiles/" innodb_additional_mem_pool_size=2m innodb_flush_log_at_trx_commit=1 innodb_log_buffer_size=1m innodb_buffer_pool_size=94m innodb_log_file_size=19m innodb_thread_concurrency=8 enable-named-pipe max_allowed_packet = 200m

btw can find glassfish bugzilla

thanks

this appears similar issue having: named pipe connection throws warning on close. whenever named pipe connection "closed", warning thrown. furthermore, evident after monitoring database connection isn't closed on mysql end.

mysql glassfish connection-pooling

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