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Database Transaction Exception

Question asked by sarkar92 on Nov 11, 2013
Latest reply on Nov 11, 2013 by sarkar92
Today i got an exception while calling process through REST

Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Data source rejected establishment of connection,  message from server: "Too many connections"
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
        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:1015)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:989)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:984)
        at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1104)
        at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2312)
        at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2122)
        at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:774)
        at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:49)
        at sun.reflect.GeneratedConstructorAccessor55.newInstance(Unknown Source)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:409)
        at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:375)
        at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:289)
        at org.springframework.jdbc.datasource.SimpleDriverDataSource.getConnectionFromDriver(SimpleDriverDataSource.java:140)
        at org.springframework.jdbc.datasource.AbstractDriverBasedDataSource.getConnectionFromDriver(AbstractDriverBasedDataSource.java:149)
        at org.springframework.jdbc.datasource.AbstractDriverBasedDataSource.getConnection(AbstractDriverBasedDataSource.java:119)
        at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:202)
        … 58 more


I am using activiti 5.14.


please help. Is there any configuration need fro activiti database calling

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