ERROR - Ant is misconfigured and cannot be run.
java.lang.ClassFormatError: Illegal field name "	" in class org/apache/tools/ant/taskdefs/Antlib
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
        at java.net.URLClassLoader.access$000(URLClassLoader.java:56)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
        at org.apache.tools.ant.module.bridge.AntBridge$MaskedClassLoader.loadClass(AntBridge.java:645)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:299)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:247)
        at org.apache.tools.ant.module.bridge.AntBridge.createAntInstance(AntBridge.java:280)
        at org.apache.tools.ant.module.bridge.AntBridge.getAntInstance(AntBridge.java:249)
        at org.apache.tools.ant.module.bridge.AntBridge.getInterface(AntBridge.java:238)
        at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:437)
        at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:129)