OpenJDK Runtime Environment (IcedTea 2.5.3) (7u71-2.5.3-0ubuntu0.14.04.1)
OpenJDK 64-Bit Server VM (build 24.65-b04, mixed mode)
java.lang.SecurityException: Invalid signature file digest for Manifest main attributes
	at sun.security.util.SignatureFileVerifier.processImpl(SignatureFileVerifier.java:287)
	at sun.security.util.SignatureFileVerifier.process(SignatureFileVerifier.java:240)
	at java.util.jar.JarVerifier.processEntry(JarVerifier.java:274)
	at java.util.jar.JarVerifier.update(JarVerifier.java:228)
	at java.util.jar.JarFile.initializeVerifier(JarFile.java:348)
	at java.util.jar.JarFile.getInputStream(JarFile.java:415)
	at net.sourceforge.jnlp.tools.JarCertVerifier.verifyJar(JarCertVerifier.java:281)
	at net.sourceforge.jnlp.tools.JarCertVerifier.verifyJars(JarCertVerifier.java:239)
	at net.sourceforge.jnlp.tools.JarCertVerifier.add(JarCertVerifier.java:205)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.initializeResources(JNLPClassLoader.java:644)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.<init>(JNLPClassLoader.java:277)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.createInstance(JNLPClassLoader.java:351)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:418)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:394)
	at net.sourceforge.jnlp.Launcher.createApplet(Launcher.java:711)
	at net.sourceforge.jnlp.Launcher.getApplet(Launcher.java:675)
	at net.sourceforge.jnlp.Launcher$TgThread.run(Launcher.java:908)

java.lang.SecurityException: Invalid signature file digest for Manifest main attributes
	at sun.security.util.SignatureFileVerifier.processImpl(SignatureFileVerifier.java:287)
	at sun.security.util.SignatureFileVerifier.process(SignatureFileVerifier.java:240)
	at java.util.jar.JarVerifier.processEntry(JarVerifier.java:274)
	at java.util.jar.JarVerifier.update(JarVerifier.java:228)
	at java.util.jar.JarFile.initializeVerifier(JarFile.java:348)
	at java.util.jar.JarFile.getInputStream(JarFile.java:415)
	at net.sourceforge.jnlp.tools.JarCertVerifier.verifyJar(JarCertVerifier.java:281)
	at net.sourceforge.jnlp.tools.JarCertVerifier.verifyJars(JarCertVerifier.java:239)
	at net.sourceforge.jnlp.tools.JarCertVerifier.add(JarCertVerifier.java:205)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.initializeResources(JNLPClassLoader.java:644)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.<init>(JNLPClassLoader.java:277)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.createInstance(JNLPClassLoader.java:351)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:418)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:394)
	at net.sourceforge.jnlp.Launcher.createApplet(Launcher.java:711)
	at net.sourceforge.jnlp.Launcher.getApplet(Launcher.java:675)
	at net.sourceforge.jnlp.Launcher$TgThread.run(Launcher.java:908)

netx: Initialization Error: Could not initialize applet. (Fatal: Initialization Error: A fatal error occurred while trying to verify jars. An exception has been thrown in class JarCertVerifier. Being unable to read the cacerts or trusted.certs files could be a possible cause for this exception.: Invalid signature file digest for Manifest main attributes)
netx: Initialization Error: Could not initialize applet. (Fatal: Initialization Error: A fatal error occurred while trying to verify jars. An exception has been thrown in class JarCertVerifier. Being unable to read the cacerts or trusted.certs files could be a possible cause for this exception.: Invalid signature file digest for Manifest main attributes)
net.sourceforge.jnlp.LaunchException: Fatal: Initialization Error: Could not initialize applet. For more information click "more information button".
	at net.sourceforge.jnlp.Launcher.createApplet(Launcher.java:746)
	at net.sourceforge.jnlp.Launcher.getApplet(Launcher.java:675)
	at net.sourceforge.jnlp.Launcher$TgThread.run(Launcher.java:908)
Caused by: net.sourceforge.jnlp.LaunchException: Fatal: Initialization Error: A fatal error occurred while trying to verify jars. An exception has been thrown in class JarCertVerifier. Being unable to read the cacerts or trusted.certs files could be a possible cause for this exception.: Invalid signature file digest for Manifest main attributes
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.initializeResources(JNLPClassLoader.java:650)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.<init>(JNLPClassLoader.java:277)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.createInstance(JNLPClassLoader.java:351)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:418)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:394)
	at net.sourceforge.jnlp.Launcher.createApplet(Launcher.java:711)
	... 2 more

net.sourceforge.jnlp.LaunchException: Fatal: Initialization Error: Could not initialize applet. For more information click "more information button".
	at net.sourceforge.jnlp.Launcher.createApplet(Launcher.java:746)
	at net.sourceforge.jnlp.Launcher.getApplet(Launcher.java:675)
	at net.sourceforge.jnlp.Launcher$TgThread.run(Launcher.java:908)
Caused by: net.sourceforge.jnlp.LaunchException: Fatal: Initialization Error: A fatal error occurred while trying to verify jars. An exception has been thrown in class JarCertVerifier. Being unable to read the cacerts or trusted.certs files could be a possible cause for this exception.: Invalid signature file digest for Manifest main attributes
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.initializeResources(JNLPClassLoader.java:650)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.<init>(JNLPClassLoader.java:277)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.createInstance(JNLPClassLoader.java:351)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:418)
	at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:394)
	at net.sourceforge.jnlp.Launcher.createApplet(Launcher.java:711)
	... 2 more

Error on Java side:
Error: Unable to fetch applet instance id from Java side.
Error on Java side:
Error: Unable to fetch applet instance id from Java side.