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seltzerlj (14) [Avatar] Offline
Please disregard this post. I rebuilt the SPitter project with JSE 1.6, and I'm now getting past the problem described below.

I'm trying to get the Spitter app to run in the STS IDE. I've resolved a couple of problems, but I'm now getting the error below (partial stack trace). My lib directory contains hsqldb.jar (hsqldb-2.2.5) and commons-dbcp-1.4.jar, which are the latest versions. Which versions should I be using (or is the cause of the UnsupportedClassVersionError something else)?



SEVERE: Allocate exception for servlet spitter
java.lang.UnsupportedClassVersionError: Bad version number in .class file (unable to load class org.apache.commons.dbcp.BasicDataSource)
at org.apache.catalina.loader.WebappClassLoader.findClassInternal(
at org.apache.catalina.loader.WebappClassLoader.findClass(
at org.apache.catalina.loader.WebappClassLoader.loadClass(
at org.apache.catalina.loader.WebappClassLoader.loadClass(
at org.springframework.util.ClassUtils.forName(

In spitter-servlet.xml
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" value="org.hsqldb.jdbcDriver" />
<property name="url" value="jdbc:hsqldb:hsql://localhost/larrydb" />
<property name="username" value="sa" />
<property name="password" value="" />
<property name="initialSize" value="5" />
<property name="maxActive" value="10" />

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