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From Aaron Bruegl <abru...@nighthawkrad.net>
Subject Re: [logging] Commons logging in applets
Date Mon, 05 Jun 2006 22:48:21 GMT
I think I may have found a workaround:
http://www.snowbound.com/tech_tips/g_security_applet_java.html


Aaron Bruegl wrote:
> I get a security error when some of my logging code is called from a 
> method that was called by javascript. I have looked around at some of 
> the forums but could not figure out a solution. All my jars are 
> signed, and I even configured commons logging to only log to 
> system.err and not the file system.
>
> While this is kind of an applet issue, maybe someone here has 
> encountered this before, basically the offending line is:
>    at java.lang.ClassLoader.getParent(Unknown Source)
>    at 
> org.apache.commons.logging.impl.LogFactoryImpl.getLowestClassLoader(LogFactoryImpl.java:1250)

>
>
> Thanks in advance, below is a lengthy trace, the exception lies at the 
> bottom:
>
>
> Java Plug-in 1.5.0_06
> Using JRE version 1.5.0_06 Java HotSpot(TM) Client VM
> User home directory = C:\Documents and Settings\myName
>
>
> ----------------------------------------------------
> c:   clear console window
> f:   finalize objects on finalization queue
> g:   garbage collect
> h:   display this help message
> l:   dump classloader list
> m:   print memory usage
> o:   trigger logging
> p:   reload proxy configuration
> q:   hide console
> r:   reload policy configuration
> s:   dump system and deployment properties
> t:   dump thread list
> v:   dump thread stack
> x:   clear classloader cache
> 0-5: set trace level to <n>
> ----------------------------------------------------
>
> Trace level set to 5: all ... completed.
> basic: Cached file name: nighthawk-commons.jar-4f0d3933-647855f9.zip
> basic: httpCompression = true
> network: Connecting http://myURL/java/lib/log4j-1.2.13.jar with 
> proxy=DIRECT
> network: Connecting http://myURL/java/lib/log4j-1.2.13.jar with cookie 
> "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> basic: Downloading http://myURL/java/lib/log4j-1.2.13.jar to cache
> basic: encoding = null for http://myURL/java/lib/log4j-1.2.13.jar
> basic: Cached file name: log4j-1.2.13.jar-6a308831-33b80160.zip
> basic: httpCompression = true
> network: Connecting http://myURL/java/lib/commons-logging-1.1.jar with 
> proxy=DIRECT
> network: Connecting http://myURL/java/lib/commons-logging-1.1.jar with 
> cookie "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> basic: Downloading http://myURL/java/lib/commons-logging-1.1.jar to cache
> basic: encoding = null for http://myURL/java/lib/commons-logging-1.1.jar
> basic: Cached file name: commons-logging-1.1.jar-21fe76d4-7fdf768a.zip
> basic: httpCompression = true
> network: Connecting http://myURL/java/lib/ifd-common.jar with 
> proxy=DIRECT
> network: Connecting http://myURL/java/lib/ifd-common.jar with cookie 
> "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> basic: Downloading http://myURL/java/lib/ifd-common.jar to cache
> basic: encoding = null for http://myURL/java/lib/ifd-common.jar
> basic: Cached file name: ifd-common.jar-2da3fb14-607effe0.zip
> security: Loading certificates from Deployment session certificate store
> security: Loaded certificates from Deployment session certificate store
> security: Checking if certificate is in Deployment permanent 
> certificate store
> security: Loading certificates from Deployment session certificate store
> security: Loaded certificates from Deployment session certificate store
> security: Checking if certificate is in Deployment permanent 
> certificate store
> security: Loading certificates from Deployment session certificate store
> security: Loaded certificates from Deployment session certificate store
> security: Checking if certificate is in Deployment permanent 
> certificate store
> network: Connecting http://myURL/java/commons-logging.properties with 
> proxy=DIRECT
> network: Connecting http://myURL/java/commons-logging.properties with 
> cookie "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> network: Connecting 
> http://myURL/java/META-INF/services/org.apache.commons.logging.LogFactory 
> with proxy=DIRECT
> network: Connecting 
> http://myURL/java/META-INF/services/org.apache.commons.logging.LogFactory 
> with cookie 
> "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> security: Loading certificates from Deployment session certificate store
> security: Loaded certificates from Deployment session certificate store
> security: Checking if certificate is in Deployment permanent 
> certificate store
> network: Connecting http://myURL/java/log4j.xml with proxy=DIRECT
> network: Connecting http://myURL/java/log4j.xml with cookie 
> "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> network: Connecting http://myURL/java/log4j.xml with proxy=DIRECT
> network: Connecting http://myURL/java/log4j.xml with cookie 
> "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> network: Connecting 
> http://myURL/java/org/apache/log4j/PatternLayoutBeanInfo.class with 
> proxy=DIRECT
> network: Connecting 
> http://myURL/java/org/apache/log4j/PatternLayoutBeanInfo.class with 
> cookie "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> network: Connecting 
> http://myURL/java/org/apache/log4j/PatternLayoutBeanInfo.class with 
> proxy=DIRECT
> network: Connecting 
> http://myURL/java/org/apache/log4j/PatternLayoutBeanInfo.class with 
> cookie "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> network: Connecting 
> http://myURL/java/org/apache/log4j/LayoutBeanInfo.class with proxy=DIRECT
> network: Connecting 
> http://myURL/java/org/apache/log4j/LayoutBeanInfo.class with cookie 
> "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> network: Connecting 
> http://myURL/java/org/apache/log4j/LayoutBeanInfo.class with proxy=DIRECT
> network: Connecting 
> http://myURL/java/org/apache/log4j/LayoutBeanInfo.class with cookie 
> "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> network: Connecting http://myURL/java/java/lang/ObjectBeanInfo.class 
> with proxy=DIRECT
> network: Connecting http://myURL/java/java/lang/ObjectBeanInfo.class 
> with cookie 
> "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> network: Connecting 
> http://myURL/java/org/apache/log4j/RollingFileAppenderBeanInfo.class 
> with proxy=DIRECT
> network: Connecting 
> http://myURL/java/org/apache/log4j/RollingFileAppenderBeanInfo.class 
> with cookie 
> "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> network: Connecting 
> http://myURL/java/org/apache/log4j/RollingFileAppenderBeanInfo.class 
> with proxy=DIRECT
> network: Connecting 
> http://myURL/java/org/apache/log4j/RollingFileAppenderBeanInfo.class 
> with cookie 
> "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> network: Connecting 
> http://myURL/java/org/apache/log4j/FileAppenderBeanInfo.class with 
> proxy=DIRECT
> network: Connecting 
> http://myURL/java/org/apache/log4j/FileAppenderBeanInfo.class with 
> cookie "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> network: Connecting 
> http://myURL/java/org/apache/log4j/FileAppenderBeanInfo.class with 
> proxy=DIRECT
> network: Connecting 
> http://myURL/java/org/apache/log4j/FileAppenderBeanInfo.class with 
> cookie "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> network: Connecting 
> http://myURL/java/org/apache/log4j/WriterAppenderBeanInfo.class with 
> proxy=DIRECT
> network: Connecting 
> http://myURL/java/org/apache/log4j/WriterAppenderBeanInfo.class with 
> cookie "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> network: Connecting 
> http://myURL/java/org/apache/log4j/WriterAppenderBeanInfo.class with 
> proxy=DIRECT
> network: Connecting 
> http://myURL/java/org/apache/log4j/WriterAppenderBeanInfo.class with 
> cookie "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> network: Connecting 
> http://myURL/java/org/apache/log4j/AppenderSkeletonBeanInfo.class with 
> proxy=DIRECT
> network: Connecting 
> http://myURL/java/org/apache/log4j/AppenderSkeletonBeanInfo.class with 
> cookie "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> network: Connecting 
> http://myURL/java/org/apache/log4j/AppenderSkeletonBeanInfo.class with 
> proxy=DIRECT
> network: Connecting 
> http://myURL/java/org/apache/log4j/AppenderSkeletonBeanInfo.class with 
> cookie "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> myURL
> Communications starting up : myURL
> network: Connecting 
> http://myURL/java/com/ibm/uvm/tools/DebugSupport.class with proxy=DIRECT
> network: Connecting 
> http://myURL/java/com/ibm/uvm/tools/DebugSupport.class with cookie 
> "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> network: Connecting http://myURL/java/images/print.gif with proxy=DIRECT
> network: Connecting http://myURL/java/images/print.gif with cookie 
> "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> basic: Cached file name: print.gif-58bd8db8-5a92d156.gif
> network: Connecting http://myURL/java/images/rotateCW.gif with 
> proxy=DIRECT
> network: Connecting http://myURL/java/images/rotateCW.gif with cookie 
> "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> basic: Cached file name: rotateCW.gif-45ded66c-6afa3e99.gif
> network: Connecting http://myURL/java/images/rotateCCW.gif with 
> proxy=DIRECT
> network: Connecting http://myURL/java/images/rotateCCW.gif with cookie 
> "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> basic: Cached file name: rotateCCW.gif-5605f4c7-28024094.gif
> network: Connecting http://myURL/java/images/fitWidth.gif with 
> proxy=DIRECT
> network: Connecting http://myURL/java/images/fitWidth.gif with cookie 
> "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> basic: Cached file name: fitWidth.gif-4a7c6c92-608f7a32.gif
> network: Connecting http://myURL/java/images/fitHeight.gif with 
> proxy=DIRECT
> network: Connecting http://myURL/java/images/fitHeight.gif with cookie 
> "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> basic: Cached file name: fitHeight.gif-3f2a3aa3-23652ab5.gif
> network: Connecting http://myURL/java/images/actualSize.gif with 
> proxy=DIRECT
> network: Connecting http://myURL/java/images/actualSize.gif with 
> cookie "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> basic: Cached file name: actualSize.gif-620cf7cc-6cd94237.gif
> network: Connecting http://myURL/java/images/reset.gif with proxy=DIRECT
> network: Connecting http://myURL/java/images/reset.gif with cookie 
> "__utma=63064624.654926256.1146849106.1146849106.1146849106.1; 
> __utmz=63064624.1146849106.1.1.utmccn=(direct)|utmcsr=(direct)|utmcmd=(none)" 
>
> basic: Cached file name: reset.gif-3c79d75a-6c0eda10.gif
> liveconnect: JavaScript: UniversalBrowserRead enabled
> liveconnect: JavaScript: UniversalJavaPermission enabled
> liveconnect: JavaScript: UniversalBrowserRead enabled
> liveconnect: JavaScript: UniversalJavaPermission enabled
> liveconnect: JavaScript: UniversalBrowserRead enabled
> liveconnect: JavaScript: UniversalJavaPermission enabled
> liveconnect: JavaScript: UniversalBrowserRead enabled
> liveconnect: JavaScript: UniversalJavaPermission enabled
> liveconnect: JavaScript: UniversalBrowserRead enabled
> liveconnect: JavaScript: UniversalJavaPermission enabled
> liveconnect: JavaScript: UniversalBrowserRead enabled
> liveconnect: JavaScript: UniversalJavaPermission enabled
> liveconnect: JavaScript: UniversalBrowserRead enabled
> liveconnect: JavaScript: UniversalJavaPermission enabled
> liveconnect: JavaScript: calling Java system code
> liveconnect: JavaScript: default security policy = http://myURL
> liveconnect: JavaScript: calling Java system code
> liveconnect: JavaScript: default security policy = http://myURL
> liveconnect: JavaScript: calling Java system code
> liveconnect: JavaScript: default security policy = http://myURL
> liveconnect: JavaScript: UniversalBrowserRead enabled
> liveconnect: JavaScript: default security policy = http://myURL
> myURL : 1199
> network: Connecting socket://myURL:1199 with proxy=DIRECT
> network: Connecting socket://someURL with proxy=DIRECT
> Fax Viewer time = 4406
> fsg val = net.nighthawk.ifd.common.fax.FaxStapleGroup@1f2be27
> Exception in thread "Thread-2321" java.lang.ExceptionInInitializerError
>    at 
> net.nighthawk.ifd.client.FaxViewPanel.openFaxImages(FaxViewPanel.java:262) 
>
>    at 
> net.nighthawk.ifd.client.FaxViewPanel.openFax(FaxViewPanel.java:217)
>    at 
> net.nighthawk.ifd.client.FaxViewApplet$FaxOpener.run(FaxViewApplet.java:66) 
>
>    at java.lang.Thread.run(Unknown Source)
> Caused by: org.apache.commons.logging.LogConfigurationException: 
> java.security.AccessControlException: access denied 
> (java.lang.RuntimePermission getClassLoader) (Caused by 
> java.security.AccessControlException: access denied 
> (java.lang.RuntimePermission getClassLoader))
>    at 
> org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:634) 
>
>    at 
> org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:333) 
>
>    at 
> org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:307) 
>
>    at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:645)
>    at net.nighthawk.ifd.common.util.TIFF60.<clinit>(TIFF60.java:65)
>    ... 4 more
> Caused by: java.security.AccessControlException: access denied 
> (java.lang.RuntimePermission getClassLoader)
>    at java.security.AccessControlContext.checkPermission(Unknown Source)
>    at java.security.AccessController.checkPermission(Unknown Source)
>    at java.lang.SecurityManager.checkPermission(Unknown Source)
>    at java.lang.ClassLoader.getParent(Unknown Source)
>    at 
> org.apache.commons.logging.impl.LogFactoryImpl.getLowestClassLoader(LogFactoryImpl.java:1250)

>
>    at 
> org.apache.commons.logging.impl.LogFactoryImpl.getBaseClassLoader(LogFactoryImpl.java:1170)

>
>    at 
> org.apache.commons.logging.impl.LogFactoryImpl.createLogFromClass(LogFactoryImpl.java:972)

>
>    at 
> org.apache.commons.logging.impl.LogFactoryImpl.discoverLogImplementation(LogFactoryImpl.java:838)

>
>    at 
> org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:601) 
>
>    ... 8 more
> network: Connecting socket://someURL with proxy=DIRECT
> network: Connecting socket://someURL with proxy=DIRECT
> network: Connecting socket://someURL with proxy=DIRECT
> network: Connecting socket://someURL with proxy=DIRECT
>


-- 
Aaron Bruegl


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