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MWG 7.2 - Error starting GUI

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Hello,

i just installed MWG 7.2 in VMWare for testsing purpose.

When starting the GUI the follwoing error occurs (see also attached screenshot):

========================================

ClassNotFoundException

com.scur.k.Applet

========================================

I tried IE9 and Firefox 15. Installed is Java 7 Update 7.

Do I need an older Java Version to use the GUI

on 20.09.12 15:27:09 MESZ
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1 Solution

Accepted Solutions
asabban
Level 17

Re: MWG 7.2 - Error starting GUI

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The latest Java Version should work fine. Please ensure that you clean/disable the Browser and Java Cache. Browser Cache is cleared somewhere in the browser options, the Java Cache is a separate entry in the operating systems control panel.

Best,

Andre

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18 Replies
asabban
Level 17

Re: MWG 7.2 - Error starting GUI

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The latest Java Version should work fine. Please ensure that you clean/disable the Browser and Java Cache. Browser Cache is cleared somewhere in the browser options, the Java Cache is a separate entry in the operating systems control panel.

Best,

Andre

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Re: MWG 7.2 - Error starting GUI

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Hello Andre,

thanks for your answer, claring Java Cache solved the problem.

Best regards.

Regis
Level 12

Re: MWG 7.2 - Error starting GUI

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I've run into that too before.   Java cache clear does magical things.

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a.vogel
Level 7

Re: MWG 7.2 - Error starting GUI

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I have te same problem with Java Version 7.25.

The Cache of the Browser and the Java App ist empty.

But the error ist still there. Is this a problem with the Java Version/Update?

Best regards.

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chrisfi
Level 7

Re: MWG 7.2 - Error starting GUI

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I have exactly the same problem.

Cleaning the browser and java cache did not help.

Client Software: Windows 7, IE9/Firefox24, Java 7 Update 17.

On a W2K3 Server with IE8 and Java 6 Update 30 it is possible to access the Web-GUI.

Does anyone have an ide how the problem can be solved?

Kind regards.

Chris

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sroering
Level 13

Re: MWG 7.2 - Error starting GUI

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Did the issue just begin happening? Meaning, was it working on that client before?

Could you open the java console and cut-paste the debug text.

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chrisfi
Level 7

Re: MWG 7.2 - Error starting GUI

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Hi,

thanks for the quick response.

The problem is not new. It exists for a long time. I checked the access from other clients in our environment today and the behaviour is the same.

We normaly access the MWG-WebGui from a W2K3-Server (Admin-Server), but i think it should be possible from the clients, too.

This is the debug-text from the JAVA-console:

===============

Java-Plug-in 10.17.2.02

JRE-Version verwenden 1.7.0_17-b02 Java HotSpot(TM) Client VM

Benutzer-Home-Verzeichnis = C:\Users\chris

----------------------------------------------------

c:   Konsolenfenster löschen

f:   Objekte in Finalisierungs-Queue finalisieren

g:   Garbage Collect

h:   Diese Hilfemeldung anzeigen

l:   Class Loader-Liste ausgeben

m:   Speicherauslastung drucken

o:   Logging auslösen

q:   Konsole ausblenden

r:   Policy-Konfiguration neu laden

s:   System- und Deployment-Eigenschaften ausgeben

t:   Threadliste ausgeben

v:   Thread-Stack ausgeben

x:   Class Loader-Cache leeren

0-5: Trace-Ebene auf <n> setzen

----------------------------------------------------

cache: Initialize resource manager: com.sun.deploy.cache.ResourceProviderImpl@e8fdc9

security: property package.access value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.

security: property package.access new value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp

security: property package.definition value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.

security: property package.definition new value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp

security: property package.access value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp

security: property package.access new value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp,org.mozilla.jss

security: property package.definition value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp

security: property package.definition new value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp,org.mozilla.jss

security: property package.access value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp,org.mozilla.jss

security: property package.access new value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp,org.mozilla.jss,com.sun.browser,com.sun.glass,com.sun.javafx,com.sun.media.jfxmedia,com.sun.media.jfxmediaimpl,com.sun.openpisces,com.sun.prism,com.sun.scenario,com.sun.t2k,com.sun.webpane,com.sun.pisces,com.sun.webkit

security: property package.definition value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp,org.mozilla.jss

security: property package.definition new value sun.,com.sun.xml.internal.bind.,com.sun.xml.internal.org.jvnet.staxex.,com.sun.xml.internal.ws.,com.sun.imageio.,com.sun.istack.internal.,com.sun.jmx.,com.sun.proxy.,com.sun.org.apache.xerces.internal.utils.,com.sun.org.apache.xalan.internal.utils.,com.sun.org.glassfish.external.,com.sun.org.glassfish.gmbal.,com.sun.javaws,com.sun.deploy,com.sun.jnlp,org.mozilla.jss,com.sun.browser,com.sun.glass,com.sun.javafx,com.sun.media.jfxmedia,com.sun.media.jfxmediaimpl,com.sun.openpisces,com.sun.prism,com.sun.scenario,com.sun.t2k,com.sun.webpane,com.sun.pisces,com.sun.webkit

security:  --- parseCommandLine converted : -Xmx512m -Dlog4j.ignoreTCL=true -Dlog4j.defaultInitOverride=true

into:

[-Xmx512m, -Dlog4j.ignoreTCL=true, -Dlog4j.defaultInitOverride=true]

basic: Fortschritts-Listener hinzugefügt: sun.plugin.util.ProgressMonitorAdapter@1da6548

basic: Plugin2ClassLoader.addURL parent called for https://WebGateway7:4712/Konfigurator/jar/applet.jar?foo=16052

network: Verbindung von https://WebGateway7:4712/Konfigurator/jar/applet.jar?foo=16052 mit Proxy=DIRECT wird hergestellt

network: Verbindung von http://WebGateway7:4712/ mit Proxy=DIRECT wird hergestellt

java.net.SocketException: Connection reset

at java.net.SocketInputStream.read(Unknown Source)

at java.net.SocketInputStream.read(Unknown Source)

at sun.security.ssl.InputRecord.readFully(Unknown Source)

at sun.security.ssl.InputRecord.read(Unknown Source)

at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)

at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)

at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)

at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)

at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)

at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)

at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(Unknown Source)

at sun.plugin.PluginURLJarFileCallBack.connect(Unknown Source)

at sun.plugin.PluginURLJarFileCallBack.retrieve(Unknown Source)

at sun.net.www.protocol.jar.URLJarFile.retrieve(Unknown Source)

at sun.net.www.protocol.jar.URLJarFile.getJarFile(Unknown Source)

at sun.net.www.protocol.jar.JarFileFactory.get(Unknown Source)

at sun.net.www.protocol.jar.JarURLConnection.connect(Unknown Source)

at sun.plugin.net.protocol.jar.CachedJarURLConnection.connect(Unknown Source)

at sun.plugin.net.protocol.jar.CachedJarURLConnection.getJarFileInternal(Unknown Source)

at sun.plugin.net.protocol.jar.CachedJarURLConnection.getJarFile(Unknown Source)

at com.sun.deploy.security.DeployURLClassPath$JarLoader.getJarFile(Unknown Source)

at com.sun.deploy.security.DeployURLClassPath$JarLoader.access$1000(Unknown Source)

at com.sun.deploy.security.DeployURLClassPath$JarLoader$1.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at com.sun.deploy.security.DeployURLClassPath$JarLoader.ensureOpen(Unknown Source)

at com.sun.deploy.security.DeployURLClassPath$JarLoader.<init>(Unknown Source)

at com.sun.deploy.security.DeployURLClassPath$3.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at com.sun.deploy.security.DeployURLClassPath.getLoader(Unknown Source)

at com.sun.deploy.security.DeployURLClassPath.getLoader(Unknown Source)

at com.sun.deploy.security.DeployURLClassPath.getResource(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader$2.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at sun.plugin2.applet.Plugin2ClassLoader.findClassHelper(Unknown Source)

at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)

at sun.plugin2.applet.Plugin2Manager.initAppletAdapter(Unknown Source)

at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)

at java.lang.Thread.run(Unknown Source)

network: Verbindung von https://WebGateway7:4712/Konfigurator/jar/applet.jar?foo=16052 mit Proxy=DIRECT wird hergestellt

network: Verbindung von http://WebGateway7:4712/ mit Proxy=DIRECT wird hergestellt

java.net.SocketException: Connection reset

at java.net.SocketInputStream.read(Unknown Source)

at java.net.SocketInputStream.read(Unknown Source)

at sun.security.ssl.InputRecord.readFully(Unknown Source)

at sun.security.ssl.InputRecord.read(Unknown Source)

at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)

at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)

at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)

at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)

at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)

at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)

at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(Unknown Source)

at sun.plugin.PluginURLJarFileCallBack.connect(Unknown Source)

at sun.plugin.PluginURLJarFileCallBack.retrieve(Unknown Source)

at sun.net.www.protocol.jar.URLJarFile.retrieve(Unknown Source)

at sun.net.www.protocol.jar.URLJarFile.getJarFile(Unknown Source)

at sun.net.www.protocol.jar.JarFileFactory.get(Unknown Source)

at sun.net.www.protocol.jar.JarURLConnection.connect(Unknown Source)

at sun.plugin.net.protocol.jar.CachedJarURLConnection.connect(Unknown Source)

at sun.plugin.net.protocol.jar.CachedJarURLConnection.getJarFileInternal(Unknown Source)

at sun.plugin.net.protocol.jar.CachedJarURLConnection.getJarFile(Unknown Source)

at com.sun.deploy.security.DeployURLClassPath$JarLoader.getJarFile(Unknown Source)

at com.sun.deploy.security.DeployURLClassPath$JarLoader.access$1000(Unknown Source)

at com.sun.deploy.security.DeployURLClassPath$JarLoader$1.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at com.sun.deploy.security.DeployURLClassPath$JarLoader.ensureOpen(Unknown Source)

at com.sun.deploy.security.DeployURLClassPath$JarLoader.<init>(Unknown Source)

at com.sun.deploy.security.DeployURLClassPath$3.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at com.sun.deploy.security.DeployURLClassPath.getLoader(Unknown Source)

at com.sun.deploy.security.DeployURLClassPath.getLoader(Unknown Source)

at com.sun.deploy.security.DeployURLClassPath.getResource(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader$2.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at sun.plugin2.applet.Plugin2ClassLoader.findClassHelper(Unknown Source)

at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)

at sun.plugin2.applet.Plugin2Manager.initAppletAdapter(Unknown Source)

at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)

at java.lang.Thread.run(Unknown Source)

java.lang.ClassNotFoundException: com.scur.k.Applet

at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)

at sun.plugin2.applet.Plugin2Manager.initAppletAdapter(Unknown Source)

at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)

at java.lang.Thread.run(Unknown Source)

basic: Laden: Klasse com.scur.k.Applet nicht gefunden.

java.lang.ClassNotFoundException: com.scur.k.Applet

at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader.loadClass0(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)

at sun.plugin2.applet.Plugin2Manager.initAppletAdapter(Unknown Source)

at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)

at java.lang.Thread.run(Unknown Source)

basic: Fortschritts-Listener entfernt: sun.plugin.util.ProgressMonitorAdapter@1da6548

security: Speicher für abgelehnte Sessionzertifikate zurücksetzen

===============

Kind regards

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aleksije
Level 7

Re: MWG 7.2 - Error starting GUI

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Same problem here - java logo is displayed endlessly, after reloading, i receive  ClassNotFoudException com.scur.k.Applet.

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skloepping
Level 9

Re: MWG 7.2 - Error starting GUI

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Could it be that you have configured in your browser proxy setting to bypass the proxy for the MWG-IP and have used a format like: https://MWG-IP:4712 or MWG-IP:4712. If so please remove the port number AND protocol and test it again.

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