[2018-07-31 18:41:11] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-07-31 18:48:18] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-07-31 18:49:35] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-07-31 18:50:31] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 09:25:51] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 09:41:52] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 09:51:56] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 09:58:08] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 09:58:30] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 09:58:55] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 10:00:32] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 10:10:38] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 10:12:06] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 10:13:31] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 10:14:54] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 10:15:45] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 10:22:01] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 10:23:51] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 10:25:15] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 10:25:30] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 10:26:59] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 10:29:33] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 10:36:11] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 10:39:47] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-01 10:41:23] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-08 19:00:42] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-08 19:02:19] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-08 19:03:57] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-08 19:04:18] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-08 19:08:49] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-27 14:25:47] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-27 14:30:57] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-27 14:31:13] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-08-27 14:32:17] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-09-03 16:10:11] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-09-03 16:12:59] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-09-03 16:14:31] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-09-03 16:19:40] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-09-03 18:07:29] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-10-15 15:02:40] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-10-15 15:03:31] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-10-15 15:11:47] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-10-15 15:11:52] [WARN ] - SQL State '08007' of Exception tested by statusOnException() implies that the database is invalid, and the pool should refill itself with fresh Connections.
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Communications link failure during rollback(). Transaction resolution unknown.
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:409)
	at com.mysql.jdbc.Util.getInstance(Util.java:384)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:973)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:918)
	at com.mysql.jdbc.ConnectionImpl.rollback(ConnectionImpl.java:5086)
	at com.mchange.v2.c3p0.impl.NewProxyConnection.rollback(NewProxyConnection.java:1033)
	at org.springframework.jdbc.datasource.DataSourceTransactionManager.doRollback(DataSourceTransactionManager.java:294)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.processRollback(AbstractPlatformTransactionManager.java:853)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.rollback(AbstractPlatformTransactionManager.java:830)
	at org.springframework.test.context.transaction.TransactionContext.endTransaction(TransactionContext.java:125)
	at org.springframework.test.context.transaction.TransactionalTestExecutionListener.afterTestMethod(TransactionalTestExecutionListener.java:227)
	at org.springframework.test.context.TestContextManager.afterTestMethod(TestContextManager.java:319)
	at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:94)
	at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:252)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:94)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
	at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
	at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
[2018-10-15 15:11:52] [WARN ] - A ConnectionTest has failed, reporting that all previously acquired Connections are likely invalid. The pool will be reset.
[2018-10-15 15:11:52] [WARN ] - [c3p0] A PooledConnection that has already signalled a Connection error is still in use!
[2018-10-15 15:11:52] [WARN ] - [c3p0] Another error has occurred [ com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed. ] which will not be reported to listeners!
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:409)
	at com.mysql.jdbc.Util.getInstance(Util.java:384)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:973)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:918)
	at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1321)
	at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1313)
	at com.mysql.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:5311)
	at com.mchange.v2.c3p0.impl.NewProxyConnection.setAutoCommit(NewProxyConnection.java:1059)
	at org.springframework.jdbc.datasource.DataSourceTransactionManager.doCleanupAfterCompletion(DataSourceTransactionManager.java:324)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.cleanupAfterCompletion(AbstractPlatformTransactionManager.java:1016)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.processRollback(AbstractPlatformTransactionManager.java:883)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.rollback(AbstractPlatformTransactionManager.java:830)
	at org.springframework.test.context.transaction.TransactionContext.endTransaction(TransactionContext.java:125)
	at org.springframework.test.context.transaction.TransactionalTestExecutionListener.afterTestMethod(TransactionalTestExecutionListener.java:227)
	at org.springframework.test.context.TestContextManager.afterTestMethod(TestContextManager.java:319)
	at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:94)
	at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:252)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:94)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
	at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
	at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 500,798 milliseconds ago.  The last packet sent successfully to the server was 19,495 milliseconds ago.
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:409)
	at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1127)
	at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3715)
	at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3604)
	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4155)
	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2615)
	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2776)
	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2832)
	at com.mysql.jdbc.ConnectionImpl.rollbackNoChecks(ConnectionImpl.java:5189)
	at com.mysql.jdbc.ConnectionImpl.rollback(ConnectionImpl.java:5072)
	at com.mchange.v2.c3p0.impl.NewProxyConnection.rollback(NewProxyConnection.java:1033)
	at org.springframework.jdbc.datasource.DataSourceTransactionManager.doRollback(DataSourceTransactionManager.java:294)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.processRollback(AbstractPlatformTransactionManager.java:853)
	... 23 more
Caused by: java.net.SocketException: Software caused connection abort: recv failed
	at java.net.SocketInputStream.socketRead0(Native Method)
	at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
	at java.net.SocketInputStream.read(SocketInputStream.java:171)
	at java.net.SocketInputStream.read(SocketInputStream.java:141)
	at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:112)
	at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:159)
	at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:187)
	at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3158)
	at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3615)
	... 33 more
[2018-10-15 15:11:52] [WARN ] - A ConnectionTest has failed, reporting that all previously acquired Connections are likely invalid. The pool will be reset.
[2018-10-15 15:11:52] [WARN ] - Caught exception while allowing TestExecutionListener [org.springframework.test.context.transaction.TransactionalTestExecutionListener@4c19d42e] to process 'after' execution for test: method [public void UserServiceTest.testImage()], instance [UserServiceTest@373e6b9d], exception [null]
org.springframework.transaction.TransactionSystemException: Could not roll back JDBC transaction; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Communications link failure during rollback(). Transaction resolution unknown.
	at org.springframework.jdbc.datasource.DataSourceTransactionManager.doRollback(DataSourceTransactionManager.java:297)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.processRollback(AbstractPlatformTransactionManager.java:853)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.rollback(AbstractPlatformTransactionManager.java:830)
	at org.springframework.test.context.transaction.TransactionContext.endTransaction(TransactionContext.java:125)
	at org.springframework.test.context.transaction.TransactionalTestExecutionListener.afterTestMethod(TransactionalTestExecutionListener.java:227)
	at org.springframework.test.context.TestContextManager.afterTestMethod(TestContextManager.java:319)
	at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:94)
	at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:252)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:94)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
	at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
	at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Communications link failure during rollback(). Transaction resolution unknown.
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at com.mysql.jdbc.Util.handleNewInstance(Util.java:409)
	at com.mysql.jdbc.Util.getInstance(Util.java:384)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:973)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:918)
	at com.mysql.jdbc.ConnectionImpl.rollback(ConnectionImpl.java:5086)
	at com.mchange.v2.c3p0.impl.NewProxyConnection.rollback(NewProxyConnection.java:1033)
	at org.springframework.jdbc.datasource.DataSourceTransactionManager.doRollback(DataSourceTransactionManager.java:294)
	... 24 more
[2018-10-15 15:12:55] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-10-15 15:18:04] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2018-10-26 10:48:33] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2019-05-13 17:37:51] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.
[2019-05-13 17:38:53] [WARN ] - Bad pool size config, start 3 < min 5. Using 5 as start.