Turning off jar cache causes classnotfound with signed jar files
Hi,
I have a problem with applet signed jars when the java cache is turned off.
With the cache turned off, I get a class not found for the first class it attempts to use from the signed jar file from an applet.
If I turn the jar caching on, all works perfectly with no other changes.
Anyone have any ideas? This is java 6u16.
Thanks
jkc532 wrote:
.. Is the fact that the CachedJarFile class doesn't attempt to reload the resource when it can't retrieve it from MemoryCache a bug? From your comprehensive investigation and report, it seems so to me.
..I've dug as deep as I can on this and I'm at wits end, does anybody have any ideas?Just after read the summary I was tired, so I have some understanding of the effort you have already invested in this (the 'wits' you have already spent). I think you should raise a bug report and seek Oracle's response.
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Edited by: Satya Jethy on Mar 14, 2008 12:28 PMHi Suraj,
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Problems with signed JAR files in JWS/JRE6 environment.
Hello All,
I'm encountering a problem running our desktop application as a Java Web Start deployment in a JRE 6 environment. There were never any problems when running the same application as a JWS deployment in JRE 1.4, or 5, environments. There are also currently no problems in a JRE 6 environment when running the application as a standard desktop application.
The problem which I am having has nothing to do with launching the application. But for good measure, I verified the JNLP file with JaNeLA. A couple things we out of order, which I addressed to make JaNeLA happy, but my problem still persists. Here is my JNLP file (anonymized to protect the innocent):
TS: 2010-10-18 17:04:46
<?xml version="1.0" encoding="UTF-8"?>
<jnlp codebase="$$codebase" href="$$name">
<information>
<title>Acme Desktop</title>
<vendor>Acme Corporation</vendor>
<homepage href="http://www.acme.com/"/>
<description>Acme Client for Acme Server</description>
<description kind="tooltip">Acme Client for Acme Server</description>
<icon href="desktop.gif"/>
<offline-allowed/>
</information>
<security>
<all-permissions/>
</security>
<resources>
<j2se version="1.5+"/>
<jar href="acmedesktop.jar" download="eager" version="8.00.01.00+"/>
<jar href="lib/antlr-2.7.2.jar" download="eager" version="8.00.01.00+"/>
<jar href="lib/backport-util-concurrent.jar" download="eager" version="8.00.01.00+"/>
<jar href="lib/commons-codec-1.3.jar" download="eager" version="8.00.01.00+"/>
<jar href="lib/commons-httpclient.jar" download="eager" version="8.00.01.00+"/>
<jar href="lib/commons-logging.jar" download="eager" version="8.00.01.00+"/>
<jar href="lib/acmeapi.jar" download="eager" version="8.00.01.00+"/>
<jar href="lib/HelpJavaDT.jar" download="eager" version="8.00.01.00+"/>
<jar href="lib/HelpJavaDT_es.jar" download="eager" version="8.00.01.00+"/>
<jar href="lib/jacorb.jar" download="eager" version="8.00.01.00+"/>
<jar href="lib/Multivalent.jar" download="eager" version="8.00.01.00+"/>
<jar href="lib/slf4j-api-1.5.6.jar" download="eager" version="8.00.01.00+"/>
<jar href="lib/slf4j-jdk14-1.5.6.jar" download="eager" version="8.00.01.00+"/>
<jar href="lib/snow.jar" download="lazy" version="8.00.01.00+"/>
<jar href="lib/AcmeTMClient.jar" download="eager" version="8.00.01.00+"/>
<jar href="lib/xercesImpl.jar" download="eager" version="8.00.01.00+"/>
<jar href="lib/xml-apis.jar" download="eager" version="8.00.01.00+"/>
<extension name="installer" href="desktopInstaller.jnlp" />
<extension name="Java Help" href="help.jnlp"/>
<property name="java.library.path" value="./lib"/>
<property name="admin" value="false"/>
<property name="webstart" value="true"/>
<!-- The following two lines are for SSO implementation only
<property name="urladdress" value="http://localhost:8080/AcmeDesktop/servlet/AcmeServlet"/>
<property name="cookiespec" value="RFC2109"/>
-->
</resources>
<resources os="Windows">
<nativelib href="lib/jniWin32.jar" version="8.00.01.00+"/>
</resources>
<application-desc main-class="desktop"/>
</jnlp>-----
When running as a JWS deployment, on JRE 6, the application will be functioning normally for a little while, and then suddenly the following exception is thrown, and the current operation fails because the class in question cannot be accessed:
java.lang.SecurityException: class "acmeapi.communication.CDocImpl"'s signer information does not match signer information of other classes in the same package
at java.lang.ClassLoader.checkCerts(ClassLoader.java:807)
at java.lang.ClassLoader.preDefineClass(ClassLoader.java:488)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:626)
at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at com.sun.jnlp.JNLPClassLoader.findClass(JNLPClassLoader.java:288)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at acmeapi.common.CDoc.getAnnotationsInfo(CDoc.java:493)
at acmedesktop.communication.CCommunicationManager.privateGetAnnotations(CCommunicationManager.java:1976)
at acmedesktop.communication.CCommunicationManager.getAnnotations(CCommunicationManager.java:1828)
at acmedesktop.annotations.CViewAnnotations.getAnnotations(CViewAnnotations.java:826)
at acmedesktop.annotations.CViewAnnotations.createView(CViewAnnotations.java:583)
at acmedesktop.annotations.CViewAnnotations.setData(CViewAnnotations.java:736)
at acmedesktop.annotations.CViewAnnotations.init(CViewAnnotations.java:205)
at acmedesktop.hitspanel.CHitsPanel.viewAnnotations(CHitsPanel.java:281)
at acmedesktop.hitspanel.CHitsTab$3.mousePressed(CHitsTab.java:316)
at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:263)
at java.awt.Component.processMouseEvent(Component.java:6260)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6028)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4235)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2478)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)-----
The classes of our desktop product are contained within the 'acmedesktop' and 'acmeapi' packages. It requires access to the hard drive of the workstation, and therefore, all jar files included with the application are signed using the following ANT task when compiled:
<signjar keystore="resources/codesigning/keystore.pfx" storetype="pkcs12" storepass="myPassword" alias="myAlias">
<fileset dir="${jws_dist}/app" includes="*.jar"/>
<fileset dir="${jws_dist}/app/lib" includes="*.jar" excludes="jhall__V${dt_version}.jar"/>
</signjar>-----
Therefore, all classes, within all jar files, are signed with the same certificate (with the exception of the JavaHelp libraries, which are already signed by Sun - but the class in question attempting to be loaded here is not contained within the JavaHelp jar file anyway). So, the point being, that the exception message stating that the "signer information of the acmeapi.communication.CDocImpl class doesn't match the signer information of other classes in the same package", is simply not correct. All classes within that jar file were signed using the same certificate.
I downloaded the JRE 6 source from dev.java.net and picked through this issue with a debugger. The ClassLoader.checkCerts() method compares the certificate used to sign the current class which is attempting to be loaded, with the certificates which signed all other previously loaded classes within the same package. If they don't match, the exception above is thrown. What is causing the issue is when the checkCerts() method attempts to get the certificates which signed the currently loading class, null is returned. And obviously, comparing null, with an array of the certificates which signed the previously loaded classes, isn't going to match; therefore this exception is thrown.
The checkCerts() method gets the certificates of the currently loading class by calling the java.security.CodeSource.getCertificates() method. Tracing deeper in the debugger, the CodeSource object ultimately gets the certificates from the 'signersRef' member variable of the com.sun.deploy.cache.CachedJarFile class. signerRef is a SoftReference object and can therefore be garbage collected at some point. If it has already been garbage collected, the CachedJarFile class will attempt to retrieve it again from the loaded cache entry by calling com.sun.deploy.cache.MemoryCache.getLoadedResource().
The MemoryCache class maintains the cache entries to the jar files as MemoryCache.CachedResourceReference objects, which subclass WeakReference, and therefore these objects can be garbage collected as well. If the cache entries have also been garbage collected, this leaves the CachedJarFile class with no ability to repopulate the CachedJarFile.signerRef object. Therefore it is completely out of luck getting the certificates which signed the currently loading class, which ultimately causes the above exception.
When the com.sun.deploy.cache.Cache class attempts to retrieve a cache entry using its getCacheEntry() method, it will attempt to get the entry from the MemoryCache class, if null is returned, it will recreate the cache entry and add it back to the MemoryCache. In contrast, when the CachedJarFile class attempts to get a cache entry from the MemoryCache class, if null is returned, it just gives up.
(from com.sun.deploy.cache.CachedJarFile:244)
private CacheEntry getCacheEntry() {
/* if it was not created by Cache do not search for entry */
if (resourceURL == null)
return null;
CacheEntry ce = (CacheEntry) MemoryCache.getLoadedResource(resourceURL);
if (ce == null) {
//This should not happen because CacheEntry should not get collected
// before CachedJarFile is collected.
Trace.println("Missing CacheEntry for " + resourceURL + "\n" + ce,
TraceLevel.CACHE);
return ce;
When debugging, code execution falls within the code block with the comment stating "This should not happen...", but it is happening in my case.
On an interesting side note, using the jvisualvm.exe tool included with JDK 6, I was able to tell that it seems as though these objects are collected the first time that the JVM allocates more heap space, and then the issue will occur. If I set the initial heap size very large (using -Xms) this issue won't occur at all. But that is kind of a bad solution which I would rather not do, but it is interesting to note for the sake of troubleshooting this issue. The max heap size (-Xmx) is plenty big enough, so the issue is not that we are running out of memory here.
Does anyone have any insight as to what could be causing this? I've searched, and found a couple threads with similar problems but with no clear solutions. It is not just one workstation either, it happens everywhere I deploy the app as a Java Web Start application in a JRE 6 environment. I have been using version 1.6.0_18 on XP, but it seems to happen on any update version of 1.6. Is the fact that the CachedJarFile class doesn't attempt to reload the resource when it can't retrieve it from MemoryCache a bug? I've dug as deep as I can on this and I'm at wits end, does anybody have any ideas?
Thank you
Jake
Edited by: jkc532 on Nov 12, 2010 10:35 AMjkc532 wrote:
.. Is the fact that the CachedJarFile class doesn't attempt to reload the resource when it can't retrieve it from MemoryCache a bug? From your comprehensive investigation and report, it seems so to me.
..I've dug as deep as I can on this and I'm at wits end, does anybody have any ideas?Just after read the summary I was tired, so I have some understanding of the effort you have already invested in this (the 'wits' you have already spent). I think you should raise a bug report and seek Oracle's response. -
JPA -- How can I turn off the caching for an entity?
Hi,
I have a problem that I will illustrate with a simplified example. I have created an entity:
@Entity(name="Customer")
@Table(name="CUSTOMERS")
public class Customer implements Serializable {
}I have also set the collowing properties in persistence.xml:
<property name="toplink.cache.type.default" value="NONE"/>
<property name="toplink.cache.size.default" value="0"/>
<property name="toplink.cache.type.Customer" value="NONE"/>
<property name="toplink.cache.size.Customer" value="0"/>
<property name="toplink.cache.shared.Customer" value="false"/>And then I run the following code:
Customer cust = em.find(Customer.class, 1L);
System.out.println(cust);
cust = em.find(Customer.class, 1L);
System.out.println(cust);The problem: the second call to em.find does NOT generate a query to the database. Here's a fragment from the console log:
[TopLink Fine]: 2007.05.11 02:55:05.656--ServerSession(2030438)--Connection(5858953)--Thread(Thread[Main Thread,5,main])--SELECT ID, SEX, NAME, MANAGER FROM CUSTOMERS WHERE (ID = ?)
bind => [1]
Customer: id=1, name=Customer #1, sex=MALE
Customer: id=1, name=Customer #1, sex=MALECan anyone help me? Why isn't the caching turned off? I tried various combinations of properties. Nothing worked. I was expecting to see two queries to the database. I can see only one.
I tried with TopLink Essentials Version 2 Build 39 and Version 2 Build 41.
Best regards,
BisserThe cache is likely turned off, but you can't tell because you are using the same transactional EntityManager instance for the two queries. The EntityManager requires its own cache for object identity and transactional purposes, as once you read an object in through the EM, the spec requires that all subsequent reads return the same instance. Only the EntityManager refresh will cause a refresh, that or setting your queries to use the toplink.refresh and toplink.cache-usage query hints.
I would strongly recommend you use a query cache for performance, but there are of course reasons why one might not be the best option.
http://weblogs.java.net/blog/guruwons/archive/2006/09/understanding_t.html
is a good blog on understanding the caching used In TopLin Essentials.
Best Regards,
Chris -
Problems with signed jar, HTTPS and forms 10.1.2.3
I have been facing a hard problem for some days concerning jar signed and HTTPS. The server can be accessed both internally, on our intranet, by a local ip address, and externally, on the internet. The first access doesn't require https,as hosts are under our domain. Externally, however, we use https. That's de logic:
A local server , a proxy server (on our DMZ) and externals hosts (internet). The proxy server is responsible for getting the information on our local forms server, applying the https security and connection to the external reequests.
Concerning my application, it uses some signed jars. All of them were signed by using 'sign_webutil.bat', located in java bin directory.
When the access is made internally, everything works fine. The jar files are downloaded correctly on the user machine and the applets run well. On the other hand, when we the access is made on internet, we get many errors concerning the classes inside frwebutil:
network: Connecting https://200.253.113.26/forms/java/oracle/forms/webutil/clientInfo/GetClientInfo.class with cookie "JSESSIONID=4D4A8E49A46D4134112177FBACABE7B4"
java.lang.ClassNotFoundException: oracle.forms.webutil.clientInfo.GetClientInfo
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
Caused by: java.io.IOException: open HTTP connection failed:https://200.253.113.26/forms/java/oracle/forms/webutil/clientInfo/GetClientInfo.class
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
I don't know what to do.Hi, Michael!
Thanks for your reply. I read the article you suggested and I signed ther many jar files I use with the same certificate, however the problem remais the same. Without HTTPS, all works fine. With HTTPS:
network: Cache entry not found [url: https://200.253.113.26/forms/java/oracle/forms/webutil/clientInfo/GetClientInfo.class, version: null]
network: Connecting https://200.253.113.26/forms/java/oracle/forms/webutil/clientInfo/GetClientInfo.class with proxy=DIRECT
network: Connecting https://200.253.113.26/forms/java/oracle/forms/webutil/clientInfo/GetClientInfo.class with cookie "JSESSIONID=08AA4CF07F761424418619C068213911"
java.lang.ClassNotFoundException: oracle.forms.webutil.clientInfo.GetClientInfo
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at oracle.forms.handler.UICommon.instantiate(Unknown Source)
at oracle.forms.handler.UICommon.onCreate(Unknown Source)
at oracle.forms.handler.JavaContainer.onCreate(Unknown Source)
at oracle.forms.engine.Runform.onCreateHandler(Unknown Source)
at oracle.forms.engine.Runform.processMessage(Unknown Source)
at oracle.forms.engine.Runform.processSet(Unknown Source)
at oracle.forms.engine.Runform.onMessageReal(Unknown Source)
at oracle.forms.engine.Runform.onMessage(Unknown Source)
at oracle.forms.engine.Runform.sendInitialMessage(Unknown Source)
at oracle.forms.engine.Runform.startRunform(Unknown Source)
at oracle.forms.engine.Main.createRunform(Unknown Source)
at oracle.forms.engine.Main.start(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: open HTTP connection failed:https://200.253.113.26/forms/java/oracle/forms/webutil/clientInfo/GetClientInfo.class
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
... 20 more
network: Cache entry not found [url: https://200.253.113.26/lib/oracle/forms/webutil/file/FileFunctions.class, version: null]
network: Connecting https://200.253.113.26/lib/oracle/forms/webutil/file/FileFunctions.class with proxy=DIRECT
network: Cache entry not found [url: https://200.253.113.26/forms/java/oracle/forms/webutil/file/FileFunctions.class, version: null]
network: Connecting https://200.253.113.26/forms/java/oracle/forms/webutil/file/FileFunctions.class with proxy=DIRECT
network: Connecting https://200.253.113.26/forms/java/oracle/forms/webutil/file/FileFunctions.class with cookie "JSESSIONID=08AA4CF07F761424418619C068213911"
java.lang.ClassNotFoundException: oracle.forms.webutil.file.FileFunctions
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at oracle.forms.handler.UICommon.instantiate(Unknown Source)
at oracle.forms.handler.UICommon.onCreate(Unknown Source)
at oracle.forms.handler.JavaContainer.onCreate(Unknown Source)
at oracle.forms.engine.Runform.onCreateHandler(Unknown Source)
at oracle.forms.engine.Runform.processMessage(Unknown Source)
at oracle.forms.engine.Runform.processSet(Unknown Source)
at oracle.forms.engine.Runform.onMessageReal(Unknown Source)
at oracle.forms.engine.Runform.onMessage(Unknown Source)
at oracle.forms.engine.Runform.sendInitialMessage(Unknown Source)
at oracle.forms.engine.Runform.startRunform(Unknown Source)
at oracle.forms.engine.Main.createRunform(Unknown Source)
at oracle.forms.engine.Main.start(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: open HTTP connection failed:https://200.253.113.26/forms/java/oracle/forms/webutil/file/FileFunctions.class
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
... 20 more
network: Cache entry not found [url: https://200.253.113.26/lib/oracle/forms/webutil/host/Host.class, version: null]
network: Connecting https://200.253.113.26/lib/oracle/forms/webutil/host/Host.class with proxy=DIRECT
network: Cache entry not found [url: https://200.253.113.26/forms/java/oracle/forms/webutil/host/Host.class, version: null]
network: Connecting https://200.253.113.26/forms/java/oracle/forms/webutil/host/Host.class with proxy=DIRECT
network: Connecting https://200.253.113.26/forms/java/oracle/forms/webutil/host/Host.class with cookie "JSESSIONID=08AA4CF07F761424418619C068213911"
java.lang.ClassNotFoundException: oracle.forms.webutil.host.Host
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at oracle.forms.handler.UICommon.instantiate(Unknown Source)
at oracle.forms.handler.UICommon.onCreate(Unknown Source)
at oracle.forms.handler.JavaContainer.onCreate(Unknown Source)
at oracle.forms.engine.Runform.onCreateHandler(Unknown Source)
at oracle.forms.engine.Runform.processMessage(Unknown Source)
at oracle.forms.engine.Runform.processSet(Unknown Source)
at oracle.forms.engine.Runform.onMessageReal(Unknown Source)
at oracle.forms.engine.Runform.onMessage(Unknown Source)
at oracle.forms.engine.Runform.sendInitialMessage(Unknown Source)
at oracle.forms.engine.Runform.startRunform(Unknown Source)
at oracle.forms.engine.Main.createRunform(Unknown Source)
at oracle.forms.engine.Main.start(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: open HTTP connection failed:https://200.253.113.26/forms/java/oracle/forms/webutil/host/Host.class
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
... 20 more
network: Cache entry not found [url: https://200.253.113.26/lib/oracle/forms/webutil/session/SessionFunctions.class, version: null]
network: Connecting https://200.253.113.26/lib/oracle/forms/webutil/session/SessionFunctions.class with proxy=DIRECT
network: Cache entry not found [url: https://200.253.113.26/forms/java/oracle/forms/webutil/session/SessionFunctions.class, version: null]
network: Connecting https://200.253.113.26/forms/java/oracle/forms/webutil/session/SessionFunctions.class with proxy=DIRECT
network: Connecting https://200.253.113.26/forms/java/oracle/forms/webutil/session/SessionFunctions.class with cookie "JSESSIONID=08AA4CF07F761424418619C068213911"
java.lang.ClassNotFoundException: oracle.forms.webutil.session.SessionFunctions
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at oracle.forms.handler.UICommon.instantiate(Unknown Source)
at oracle.forms.handler.UICommon.onCreate(Unknown Source)
at oracle.forms.handler.JavaContainer.onCreate(Unknown Source)
at oracle.forms.engine.Runform.onCreateHandler(Unknown Source)
at oracle.forms.engine.Runform.processMessage(Unknown Source)
at oracle.forms.engine.Runform.processSet(Unknown Source)
at oracle.forms.engine.Runform.onMessageReal(Unknown Source)
at oracle.forms.engine.Runform.onMessage(Unknown Source)
at oracle.forms.engine.Runform.sendInitialMessage(Unknown Source)
at oracle.forms.engine.Runform.startRunform(Unknown Source)
at oracle.forms.engine.Main.createRunform(Unknown Source)
at oracle.forms.engine.Main.start(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: open HTTP connection failed:https://200.253.113.26/forms/java/oracle/forms/webutil/session/SessionFunctions.class
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
... 20 more
network: Cache entry not found [url: https://200.253.113.26/lib/oracle/forms/webutil/fileTransfer/FileTransfer.class, version: null]
network: Connecting https://200.253.113.26/lib/oracle/forms/webutil/fileTransfer/FileTransfer.class with proxy=DIRECT
network: Cache entry not found [url: https://200.253.113.26/forms/java/oracle/forms/webutil/fileTransfer/FileTransfer.class, version: null]
network: Connecting https://200.253.113.26/forms/java/oracle/forms/webutil/fileTransfer/FileTransfer.class with proxy=DIRECT
network: Connecting https://200.253.113.26/forms/java/oracle/forms/webutil/fileTransfer/FileTransfer.class with cookie "JSESSIONID=08AA4CF07F761424418619C068213911"
java.lang.ClassNotFoundException: oracle.forms.webutil.fileTransfer.FileTransfer
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at oracle.forms.handler.UICommon.instantiate(Unknown Source)
at oracle.forms.handler.UICommon.onCreate(Unknown Source)
at oracle.forms.handler.JavaContainer.onCreate(Unknown Source)
at oracle.forms.engine.Runform.onCreateHandler(Unknown Source)
at oracle.forms.engine.Runform.processMessage(Unknown Source)
at oracle.forms.engine.Runform.processSet(Unknown Source)
at oracle.forms.engine.Runform.onMessageReal(Unknown Source)
at oracle.forms.engine.Runform.onMessage(Unknown Source)
at oracle.forms.engine.Runform.sendInitialMessage(Unknown Source)
at oracle.forms.engine.Runform.startRunform(Unknown Source)
at oracle.forms.engine.Main.createRunform(Unknown Source)
at oracle.forms.engine.Main.start(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: open HTTP connection failed:https://200.253.113.26/forms/java/oracle/forms/webutil/fileTransfer/FileTransfer.class
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
... 20 more
network: Cache entry not found [url: https://200.253.113.26/lib/oracle/forms/webutil/ole/OleFunctions.class, version: null]
network: Connecting https://200.253.113.26/lib/oracle/forms/webutil/ole/OleFunctions.class with proxy=DIRECT
network: Cache entry not found [url: https://200.253.113.26/forms/java/oracle/forms/webutil/ole/OleFunctions.class, version: null]
network: Connecting https://200.253.113.26/forms/java/oracle/forms/webutil/ole/OleFunctions.class with proxy=DIRECT
network: Connecting https://200.253.113.26/forms/java/oracle/forms/webutil/ole/OleFunctions.class with cookie "JSESSIONID=08AA4CF07F761424418619C068213911"
java.lang.ClassNotFoundException: oracle.forms.webutil.ole.OleFunctions
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at oracle.forms.handler.UICommon.instantiate(Unknown Source)
at oracle.forms.handler.UICommon.onCreate(Unknown Source)
at oracle.forms.handler.JavaContainer.onCreate(Unknown Source)
at oracle.forms.engine.Runform.onCreateHandler(Unknown Source)
at oracle.forms.engine.Runform.processMessage(Unknown Source)
at oracle.forms.engine.Runform.processSet(Unknown Source)
at oracle.forms.engine.Runform.onMessageReal(Unknown Source)
at oracle.forms.engine.Runform.onMessage(Unknown Source)
at oracle.forms.engine.Runform.sendInitialMessage(Unknown Source)
at oracle.forms.engine.Runform.startRunform(Unknown Source)
at oracle.forms.engine.Main.createRunform(Unknown Source)
at oracle.forms.engine.Main.start(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: open HTTP connection failed:https://200.253.113.26/forms/java/oracle/forms/webutil/ole/OleFunctions.class
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
... 20 more
network: Cache entry not found [url: https://200.253.113.26/lib/oracle/forms/webutil/cApi/CApiFunctions.class, version: null]
network: Connecting https://200.253.113.26/lib/oracle/forms/webutil/cApi/CApiFunctions.class with proxy=DIRECT
network: Cache entry not found [url: https://200.253.113.26/forms/java/oracle/forms/webutil/cApi/CApiFunctions.class, version: null]
network: Connecting https://200.253.113.26/forms/java/oracle/forms/webutil/cApi/CApiFunctions.class with proxy=DIRECT
network: Connecting https://200.253.113.26/forms/java/oracle/forms/webutil/cApi/CApiFunctions.class with cookie "JSESSIONID=08AA4CF07F761424418619C068213911"
java.lang.ClassNotFoundException: oracle.forms.webutil.cApi.CApiFunctions
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at oracle.forms.handler.UICommon.instantiate(Unknown Source)
at oracle.forms.handler.UICommon.onCreate(Unknown Source)
at oracle.forms.handler.JavaContainer.onCreate(Unknown Source)
at oracle.forms.engine.Runform.onCreateHandler(Unknown Source)
at oracle.forms.engine.Runform.processMessage(Unknown Source)
at oracle.forms.engine.Runform.processSet(Unknown Source)
at oracle.forms.engine.Runform.onMessageReal(Unknown Source)
at oracle.forms.engine.Runform.onMessage(Unknown Source)
at oracle.forms.engine.Runform.sendInitialMessage(Unknown Source)
at oracle.forms.engine.Runform.startRunform(Unknown Source)
at oracle.forms.engine.Main.createRunform(Unknown Source)
at oracle.forms.engine.Main.start(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: open HTTP connection failed:https://200.253.113.26/forms/java/oracle/forms/webutil/cApi/CApiFunctions.class
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
... 20 more
network: Cache entry not found [url: https://200.253.113.26/lib/oracle/forms/webutil/browser/BrowserFunctions.class, version: null]
network: Connecting https://200.253.113.26/lib/oracle/forms/webutil/browser/BrowserFunctions.class with proxy=DIRECT
network: Cache entry not found [url: https://200.253.113.26/forms/java/oracle/forms/webutil/browser/BrowserFunctions.class, version: null]
network: Connecting https://200.253.113.26/forms/java/oracle/forms/webutil/browser/BrowserFunctions.class with proxy=DIRECT
network: Connecting https://200.253.113.26/forms/java/oracle/forms/webutil/browser/BrowserFunctions.class with cookie "JSESSIONID=08AA4CF07F761424418619C068213911"
java.lang.ClassNotFoundException: oracle.forms.webutil.browser.BrowserFunctions
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at oracle.forms.handler.UICommon.instantiate(Unknown Source)
at oracle.forms.handler.UICommon.onCreate(Unknown Source)
at oracle.forms.handler.JavaContainer.onCreate(Unknown Source)
at oracle.forms.engine.Runform.onCreateHandler(Unknown Source)
at oracle.forms.engine.Runform.processMessage(Unknown Source)
at oracle.forms.engine.Runform.processSet(Unknown Source)
at oracle.forms.engine.Runform.onMessageReal(Unknown Source)
at oracle.forms.engine.Runform.onMessage(Unknown Source)
at oracle.forms.engine.Runform.sendInitialMessage(Unknown Source)
at oracle.forms.engine.Runform.startRunform(Unknown Source)
at oracle.forms.engine.Main.createRunform(Unknown Source)
at oracle.forms.engine.Main.start(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: open HTTP connection failed:https://200.253.113.26/forms/java/oracle/forms/webutil/browser/BrowserFunctions.class
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
... 20 more
network: Connecting https://200.253.113.26/forms/lservlet;jsessionid=08AA4CF07F761424418619C068213911 with proxy=DIRECT
network: Connecting https://200.253.113.26/forms/lservlet;jsessionid=08AA4CF07F761424418619C068213911 with cookie "JSESSIONID=08AA4CF07F761424418619C068213911"
network: Connecting https://200.253.113.26/forms/lservlet;jsessionid=08AA4CF07F761424418619C068213911 with proxy=DIRECT
network: Connecting https://200.253.113.26/forms/lservlet;jsessionid=08AA4CF07F761424418619C068213911 with cookie "JSESSIONID=08AA4CF07F761424418619C068213911"
basic: Applet started -
How do I turn off the message asking me to sign in to my iCloud?
While using my iPad and my iPhone, I keep getting a mesage to sign in to my Itunes and or iCloud account....how can I turn these off?
You can turn off the multitasking gestures which may be causing the screen to move form app to app when he swipes left to right or swipes up from the bottom.
Go to Settings>General>Multitasking gestures>Off. That should help some.
Unfortuantely - You can't turn off the notification center - the calendar that pulls down from the top. If you swipe down from the top, that is always going to appear on the screen.
And there is no way to simply lock into one app. You can lock the screen orientation via the side switch or in the task bar at the bottom of the iPad - double tap the home button and swipe to the right to find the screen lock icon all the way on the left - it isn't locked by the side switch.
There may be iPad cases that will aid you in preventing your son from accidentally performing these screen movements with his hands, however, you would have to search for those with a Google search or maybe post a more specific question in this help site in order to get input from others in similar circumstances. You need something along the lines of a kiosk case - but one that allows more freedom of touch. -
Turn off "Verifying all signatures" when digitally signing a pdf form?
Hey All!
I have a pdf form (created with Acrobat X) with muliple digital signatures fields. Any time you sign a field, Adobe verifies all other signed signatures fields within the document.
So the more signature fields allready been signed, the longer it takes to place a new digital signature due to the adobe verifying setting mentioned above.
I have allready turned off "Verify signatures when the document is opened" in the security preferences, but I couldn't find a place to turn it off when signing a document.
I am just thinking, whoever designed the Acrobat/Adobe program must have left an option to disable those security features...so I even looked in Adobe policy within windows
registry, but I couldn't find anything either.
It's very frustrating - at the end of the form it takes up to 20 minutes to place a signature.
Any ideas and thoughts are more the welcome!!
ThanksSir, thank you for the quick response!
No, It's a 22-pages form with 25 different signatures using PKI. -
I have turned off disk cache. How can I disable startupcache?
As in above title. Is there a way to disable startupcache and the associated file startupCache.4.little .
It seems to regenerate itself every time I open Thunderbird. If I can't disable it completely is there a way I can limit it's size to 1MG?
I am not sure exactly what this is doing for me, but I don't like to see it growing.
I am on Windows 7 Premium, use Thunderbird only as a pop 3 email client. I do not use any browsing in Thunderbird (beyond looking for add-ons to turn off starupcache). No newsfeeds, etc. From all the searching I have done today I could only find one useful reference in Bugzilla stating it had something to do with retaining fonts, etc.
What does it do? Can I disable it? Limit it's size?
My logic (which could be missing something important, I admit) is that if I have nothing in my appdata/local/Thunderbird/Cache, then why would I want a startup cache?
Regards,
AxisFor refund, you can plea your case here:
http://www.apple.com/emea/support/itunes/contact.html -
N95 turned off during software update. No sign of ...
Dear forum user,
Yesterday I tried to update my Nokia N95 with OVI Suite. During the installation I find out that the battery is getting law, so I connected it to the adapter. Then, suddenly my phone turned off and does not start any more. He doesn't show any sign of life (no lights, sounds etc.). OVI suite showed an error message 12052. Is it possible to repaire this kind of problem?
Thank you in advance.
Greetings, Vlad.Hi vsadykov,
Thank you for post and Welcome to the Nokia Discussion forums.
Sorry to hear about the issues your phone is facing. Firstly try removing the battery for a few minutes and then replace and see if that makes any difference (make sure your device's charger is plugged in as well when you put your battery back in)
If this doesn't help then try the "3 finger deep reset". With the phone powered off, depress and hold these three keys simultaneously * 3 green phone and then power on phone using the on/off button whilst keeping the three keys depressed until you hear start-up tone.
This should ONLY be done if the device doesn't power up normally anymore and it wipes everything in the phone memory. Again make sure the the device is plugged into the charger.
If none of this helps it looks like a visit to Nokia Service Centre is called for. You can check this at the below link:
http://europe.nokia.com/support/repair-and-recycle/repair/care-points#
Let me know if any of this helps.
Regards
Raoul_Duke
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