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From tiffany <tiffany.c...@future.co.jp>
Subject DIH: Exception with "Too many connections"
Date Tue, 31 May 2011 09:16:27 GMT
Hi all,

I'm using DIH and getting the following error.
My Solr version is Solr3.1.

=====
...
Caused by:
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could
not create connection to database server. Attempted reconnect 3 times.
Giving up.
        at sun.reflect.GeneratedConstructorAccessor98.newInstance(Unknown
Source)
        at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
        at com.mysql.jdbc.Util.getInstance(Util.java:381)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:985)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:926)
        at
com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2364)
        at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:781)
        at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
        at sun.reflect.GeneratedConstructorAccessor94.newInstance(Unknown
Source)
        at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
        at
com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:352)
        at
com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:284)
        at
org.apache.solr.handler.dataimport.JdbcDataSource$1.call(JdbcDataSource.java:161)
        at
org.apache.solr.handler.dataimport.JdbcDataSource$1.call(JdbcDataSource.java:128)
        at
org.apache.solr.handler.dataimport.JdbcDataSource.getConnection(JdbcDataSource.java:363)
        at
org.apache.solr.handler.dataimport.JdbcDataSource.access$200(JdbcDataSource.java:39)
        at
org.apache.solr.handler.dataimport.JdbcDataSource$ResultSetIterator.<init>(JdbcDataSource.java:240)
        ... 11 more
Caused by:
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Data
source rejected establishment of connection,  message from server: "Too many
connections"
        at sun.reflect.GeneratedConstructorAccessor98.newInstance(Unknown
Source)
        at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
        at com.mysql.jdbc.Util.getInstance(Util.java:381)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:985)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)
        at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1104)
        at
com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2292)
        ... 24 more

=====

My dataSource setting is something like this:

    <dataSource type="JdbcDataSource" driver="com.mysql.jdbc.Driver"
url="jdbc:mysql://database01/test?autoReconnect=true" user="xxx"
password="xxx" batchSize="-1" />

Any idea to solve this problem?

Thank you!


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