そんな使い方する方が悪いのかもしれませんが。

以下、スタックトレースです。

org.seasar.framework.exception.SQLRuntimeException: [ESSR0071]SQLで例外(ErrorCode=-28, SQLState=S0022)が発生しました。理由はorg.seasar.framework.exception.SSQLException: [ESSR0072]SQLで例外(SQL=[UPDATE EMP SET ,deptno = ? WHERE empno = ?], ErrorCode=

{1}, SQLState={2})が発生しました
at org.seasar.extension.jdbc.util.ConnectionUtil.prepareStatement(ConnectionUtil.java:52)
at org.seasar.extension.jdbc.impl.BasicStatementFactory.createPreparedStatement(BasicStatementFactory.java:34)
at org.seasar.extension.jdbc.impl.BasicHandler.prepareStatement(BasicHandler.java:95)
at org.seasar.extension.jdbc.impl.BasicUpdateHandler.execute(BasicUpdateHandler.java:73)
at org.seasar.extension.jdbc.impl.BasicUpdateHandler.execute(BasicUpdateHandler.java:66)
at org.seasar.dao.impl.UpdateDynamicCommand.execute(UpdateDynamicCommand.java:40)
at org.seasar.dao.impl.UpdateAutoDynamicCommandTest.testExecute2Tx(UpdateAutoDynamicCommandTest.java:68)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at junit.framework.TestCase.runTest(TestCase.java:154)
at org.seasar.framework.unit.S2FrameworkTestCase.doRunTest(S2FrameworkTestCase.java:233)
at org.seasar.extension.unit.S2TestCase.doRunTest(S2TestCase.java:89)
at org.seasar.framework.unit.S2FrameworkTestCase.runBare(S2FrameworkTestCase.java:150)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:128)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
Caused by: org.seasar.framework.exception.SSQLException: [ESSR0072]SQLで例外(SQL=[UPDATE EMP SET ,deptno = ? WHERE empno = ?], ErrorCode={1}

, SQLState=

{2}

)が発生しました
at org.seasar.extension.dbcp.impl.ConnectionWrapperImpl.wrapException(ConnectionWrapperImpl.java:524)
at org.seasar.extension.dbcp.impl.ConnectionWrapperImpl.prepareStatement(ConnectionWrapperImpl.java:144)
at org.seasar.extension.jdbc.util.ConnectionUtil.prepareStatement(ConnectionUtil.java:50)
... 24 more
Caused by: java.sql.SQLException: Column not found: , in statement [UPDATE EMP SET ,deptno = ? WHERE empno = ?]
at org.hsqldb.jdbc.jdbcUtil.throwError(Unknown Source)
at org.hsqldb.jdbc.jdbcPreparedStatement.<init>(Unknown Source)
at org.hsqldb.jdbc.jdbcConnection.prepareStatement(Unknown Source)
at org.seasar.extension.dbcp.impl.ConnectionWrapperImpl.prepareStatement(ConnectionWrapperImpl.java:141)
... 25 more