ANT如何忽略编译错误

   ANT如何忽略编译错误
<target name="compile">
<javac destdir="${classes}" debug="on">
<src path="${src}" />
<classpath refid="compile.dependency" />
</javac>
<copy todir="${classes}">
<fileset dir="${src}" excludes="**/*.java"/>
</copy>
</target>
修改为：

<target name="compile">
<javac destdir="${classes}" debug="on"  deprecation= "false"   optimize= "true"   fork= "no "   verbose= "no "  failonerror= "on " >  <src path="${src}" />
<src path="${src}" />
<classpath refid="compile.dependency" />
</javac>
<copy todir="${classes}">
<fileset dir="${src}" excludes="**/*.java"/>
</copy>
</target>