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POLogback - C3P0 and HSQLDB
 

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  1. POLogback - C3P0 and HSQLDB
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    <p>I'm trying to get LogBack to use a HSQLDB with C3P0. I'm stuck with this configuration at the moment given my current environment. I have a large investment with Log4J code and will also need to use the SLF4J Log4J Adapter. When I try a simple logging program it's getting stuck in the logger configuration stage. Here is my <code>logback.xml</code>: </p> <pre><code>&lt;configuration&gt; &lt;appender name="DB" class="ch.qos.logback.classic.db.DBAppender"&gt; &lt;connectionSource class="ch.qos.logback.core.db.DataSourceConnectionSource"&gt; &lt;dataSource class="com.mchange.v2.c3p0.ComboPooledDataSource"&gt; &lt;driverClass&gt;org.hsqldb.jdbcDriver&lt;/driverClass&gt; &lt;jdbcUrl&gt;jdbc:hsqldb:hsql://localhost:9001/mid_logs&lt;/jdbcUrl&gt; &lt;user&gt;sa&lt;/user&gt; &lt;password&gt;sa&lt;/password&gt; &lt;/dataSource&gt; &lt;/connectionSource&gt; &lt;/appender&gt; &lt;root level="debug"&gt; &lt;appender-ref ref="DB" /&gt; &lt;/root&gt; &lt;/configuration&gt; </code></pre> <p>My classpath is:</p> <pre><code>bin/.;lib/hsqldb.jar;lib/log4j-over-slf4j-1.5.8.jar;lib/logback-access-0.9.17.jar;lib/logback-classic-0.9.17.jar;lib/logback-core-0.9.17.jar;lib/slf4j-api-1.5.8.jar;lib/slf4j-log4j12-1.5.8.jar;lib/c3p0-0.9.1.2.jar </code></pre> <p>Here is a snippet of my code: <br/></p> <pre><code>System.out.println("Starting"); Logger logger = Logger.getLogger(TestLogging.class); System.out.println("got Logger"); </code></pre> <p>The 'Starting' appears in the console output, but nothing else.</p> <p>Any help would be appreciated!</p>
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    1. COStrip this back to basics to make sure that you can get LogBack logging to console first. Then you can try the logging to database.
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      1. USSteveD
    2. COIf I remove C3P0 from the mix and go with the DBAppender and direct to HSQLDB driver I get rows entered in the database. The huge problem is the HSQLDB driver doesn't re-use connections. That's why I'm trying the C3P0 connection pools.
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    3. COhave you tried contacting the logback-user mailing list?
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      1. USCeki
 

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