Re: Problrm with resources added using DirResourceSet
2015-05-20 20:30 GMT+03:00 Ed Rouse :
> Server version: Apache Tomcat/8.0.14
A bit old...
> Server built: Sep 24 2014 09:01:51
> Server number: 8.0.14.0
> OS Name:Linux
> OS Version: 3.8.0-29-generic
> Architecture: amd64
> JVM Version:1.7.0_55-b14
> JVM Vendor: Oracle Corporation
>
> I have implemented a custom WebappClassLoaderBase and StandardRoot, and it
> looks like it is working; but the resources added are not available to the
> web app. What follows is a bit long and I apologize for that, but didn't want
> to leave out potentially important information. Any ideas on what's wrong?
At what point of Lifecycle is your code called?
Has StandardRoot.initInternal() already happened?
Has StandardRoot.startInternal() already happened?
> This is the code snippet:
>
> wsRoot = IDWMPluginRegistry.getInstance().getWebRoot();
> log.info("IDWMClassLoader init: " + wsRoot.getContext().getName());
> Set plugins = IDWMPluginRegistry.getInstance().getPlugins();
> for(IDWMPlugin plugin: plugins)
> {
> log.info("Loading plugin: " + plugin.getLoaderClassName());
> try
> {
> if(wsRoot == null)
> {
> log.info("wsRoot not set.");
> wsRoot = new StandardRoot();
The above code does not work. It will fail at "if(wsRoot.getContext()
== null)" check on the next line...
> }
> if(wsRoot.getContext() == null)
> {
> throw new Exception("NO CONTEXT!!!");
> }
> File pFile = plugin.getRoot();
> log.info("Adding plugin root " + pFile.getAbsolutePath() + " to the
> WebResourceRoot as a DirResourceSet.");
>
> DirResourceSet drs = new DirResourceSet(wsRoot, "/",
> pFile.getAbsolutePath(), "/");
> log.info("DirResourceSet base URL = " + drs.getBaseUrl().toString());
> wsRoot.addPostResources(drs);
> }
> catch(Exception e)
> {
> log.log(Level.SEVERE, "Error setting up class path", e);
> }
> }
>
> And here is the catalina.out log pertaining to this section of code.
> (...)
https://wiki.apache.org/tomcat/FAQ/Developing#Debugging
Best regards,
Konstantin Kolinko
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Re: Problrm with resources added using DirResourceSet
On 20/05/2015 18:30, Ed Rouse wrote:
> Server version: Apache Tomcat/8.0.14
> Server built: Sep 24 2014 09:01:51
> Server number: 8.0.14.0
> OS Name:Linux
> OS Version: 3.8.0-29-generic
> Architecture: amd64
> JVM Version:1.7.0_55-b14
> JVM Vendor: Oracle Corporation
>
> I have implemented a custom WebappClassLoaderBase and StandardRoot, and it
> looks like it is working; but the resources added are not available to the
> web app. What follows is a bit long and I apologize for that, but didn't want
> to leave out potentially important information. Any ideas on what's wrong?
Thanks for all the info.
I can't see anything obviously wrong in what you posted. I'd fire up a
debugger and step through the StandardRoot.getResource() call and check:
- You see the StandardRoot instance you expect to see
- The DirResourceSet is present
- Follow the code to see why the resource isn't looked up in your
DirResourceSet
HTH,
Mark
>
> This is the code snippet:
>
> wsRoot = IDWMPluginRegistry.getInstance().getWebRoot();
> log.info("IDWMClassLoader init: " + wsRoot.getContext().getName());
> Set plugins = IDWMPluginRegistry.getInstance().getPlugins();
> for(IDWMPlugin plugin: plugins)
> {
> log.info("Loading plugin: " + plugin.getLoaderClassName());
> try
> {
> if(wsRoot == null)
> {
> log.info("wsRoot not set.");
> wsRoot = new StandardRoot();
> }
> if(wsRoot.getContext() == null)
> {
> throw new Exception("NO CONTEXT!!!");
> }
> File pFile = plugin.getRoot();
> log.info("Adding plugin root " + pFile.getAbsolutePath() + " to the
> WebResourceRoot as a DirResourceSet.");
>
> DirResourceSet drs = new DirResourceSet(wsRoot, "/",
> pFile.getAbsolutePath(), "/");
> log.info("DirResourceSet base URL = " + drs.getBaseUrl().toString());
> wsRoot.addPostResources(drs);
> }
> catch(Exception e)
> {
> log.log(Level.SEVERE, "Error setting up class path", e);
> }
> }
>
> And here is the catalina.out log pertaining to this section of code.
>
> 17-May-2015 23:27:52.399 INFO [localhost-startStop-1]
> org.apache.catalina.startup.HostConfig.deployDirectory Deploying web
> application directory /usr/local/apache-tomcat-8.0.14/webapps/ROOT
> 17-May-2015 23:27:53.243 INFO [localhost-startStop-1]
> org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned
> for TLDs yet contained no TLDs. Enable debug logging for this logger for a
> complete list of JARs that were scanned but no TLDs were found in them.
> Skipping unneeded JARs during scanning can improve startup time and JSP
> compilation time.
> 17-May-2015 23:27:53.385 INFO [localhost-startStop-1]
> org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web
> application directory /usr/local/apache-tomcat-8.0.14/webapps/ROOT has
> finished in 986 ms
> 17-May-2015 23:27:53.388 INFO [localhost-startStop-1]
> org.apache.catalina.startup.HostConfig.deployDirectory Deploying web
> application directory /usr/local/apache-tomcat-8.0.14/webapps/idwm
> 17-May-2015 23:27:53.424 INFO [localhost-startStop-1]
> com.comsquared.idw.catalina.ext.IDWMFileDirContext. Default Constructor.
> 17-May-2015 23:27:53.425 INFO [localhost-startStop-1]
> com.comsquared.idw.catalina.ext.IDWMFileDirContext.importPlugins System
> property idwm.plugins not set; using default plugin path /usr/us/idwm/plugins
> 17-May-2015 23:27:53.431 INFO [localhost-startStop-1]
> com.comsquared.idw.catalina.ext.IDWMFileDirContext.importFromDirectory Found
> plugin at /usr/us/idwm/plugins/idw-plugins-role_change_attribute_audit
> 17-May-2015 23:27:54.146 INFO [localhost-startStop-1]
> com.comsquared.idw.catalina.ext.IDWMClassLoader. parent
> constructor.class java.net.URLClassLoader
> 17-May-2015 23:27:54.147 INFO [localhost-startStop-1]
> com.comsquared.idw.catalina.ext.IDWMClassLoader.init IDWMClassLoader init:
> /idwm
> 17-May-2015 23:27:54.148 INFO [localhost-startStop-1]
> com.comsquared.idw.catalina.ext.IDWMClassLoader.init Loading plugin:
> idwplugin.RoleChangeAttributeAudit.RoleChangeAttributeAuditPluginLoader
> 17-May-2015 23:27:54.148 INFO [localhost-startStop-1]
> com.comsquared.idw.catalina.ext.IDWMClassLoader.init Adding plugin root
> /usr/us/idwm/plugins/idw-plugins-role_change_attribute_audit to the
> WebResourceRoot as a DirResourceSet.
> 17-May-2015 23:27:54.148 INFO [localhost-startStop-1]
> com.comsquared.idw.catalina.ext.IDWMClassLoader.init DirResourceSet base URL
> = file:/usr/us/idwm/plugins/idw-plugins-role_change_attribute_audit/
> 17-May-2015 23:28:05.198 INFO [localhost-startStop-1]
> com.comsquared.idwm.DataSourceFactory.getObjectInstance Get JNDI datasource
> ImageDirectorWorkflowDS from app config
> log4j:WARN No such property [maxBackupIndex] in
> org.apache.log4j.DailyRollingFileAppender.
> 17-May-2015 23:28:15.3
Problrm with resources added using DirResourceSet
Server version: Apache Tomcat/8.0.14
Server built: Sep 24 2014 09:01:51
Server number: 8.0.14.0
OS Name:Linux
OS Version: 3.8.0-29-generic
Architecture: amd64
JVM Version:1.7.0_55-b14
JVM Vendor: Oracle Corporation
I have implemented a custom WebappClassLoaderBase and StandardRoot, and it
looks like it is working; but the resources added are not available to the web
app. What follows is a bit long and I apologize for that, but didn't want to
leave out potentially important information. Any ideas on what's wrong?
This is the code snippet:
wsRoot = IDWMPluginRegistry.getInstance().getWebRoot();
log.info("IDWMClassLoader init: " + wsRoot.getContext().getName());
Set plugins = IDWMPluginRegistry.getInstance().getPlugins();
for(IDWMPlugin plugin: plugins)
{
log.info("Loading plugin: " + plugin.getLoaderClassName());
try
{
if(wsRoot == null)
{
log.info("wsRoot not set.");
wsRoot = new StandardRoot();
}
if(wsRoot.getContext() == null)
{
throw new Exception("NO CONTEXT!!!");
}
File pFile = plugin.getRoot();
log.info("Adding plugin root " + pFile.getAbsolutePath() + " to the
WebResourceRoot as a DirResourceSet.");
DirResourceSet drs = new DirResourceSet(wsRoot, "/",
pFile.getAbsolutePath(), "/");
log.info("DirResourceSet base URL = " + drs.getBaseUrl().toString());
wsRoot.addPostResources(drs);
}
catch(Exception e)
{
log.log(Level.SEVERE, "Error setting up class path", e);
}
}
And here is the catalina.out log pertaining to this section of code.
17-May-2015 23:27:52.399 INFO [localhost-startStop-1]
org.apache.catalina.startup.HostConfig.deployDirectory Deploying web
application directory /usr/local/apache-tomcat-8.0.14/webapps/ROOT
17-May-2015 23:27:53.243 INFO [localhost-startStop-1]
org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for
TLDs yet contained no TLDs. Enable debug logging for this logger for a complete
list of JARs that were scanned but no TLDs were found in them. Skipping
unneeded JARs during scanning can improve startup time and JSP compilation time.
17-May-2015 23:27:53.385 INFO [localhost-startStop-1]
org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web
application directory /usr/local/apache-tomcat-8.0.14/webapps/ROOT has finished
in 986 ms
17-May-2015 23:27:53.388 INFO [localhost-startStop-1]
org.apache.catalina.startup.HostConfig.deployDirectory Deploying web
application directory /usr/local/apache-tomcat-8.0.14/webapps/idwm
17-May-2015 23:27:53.424 INFO [localhost-startStop-1]
com.comsquared.idw.catalina.ext.IDWMFileDirContext. Default Constructor.
17-May-2015 23:27:53.425 INFO [localhost-startStop-1]
com.comsquared.idw.catalina.ext.IDWMFileDirContext.importPlugins System
property idwm.plugins not set; using default plugin path /usr/us/idwm/plugins
17-May-2015 23:27:53.431 INFO [localhost-startStop-1]
com.comsquared.idw.catalina.ext.IDWMFileDirContext.importFromDirectory Found
plugin at /usr/us/idwm/plugins/idw-plugins-role_change_attribute_audit
17-May-2015 23:27:54.146 INFO [localhost-startStop-1]
com.comsquared.idw.catalina.ext.IDWMClassLoader. parent constructor.class
java.net.URLClassLoader
17-May-2015 23:27:54.147 INFO [localhost-startStop-1]
com.comsquared.idw.catalina.ext.IDWMClassLoader.init IDWMClassLoader init: /idwm
17-May-2015 23:27:54.148 INFO [localhost-startStop-1]
com.comsquared.idw.catalina.ext.IDWMClassLoader.init Loading plugin:
idwplugin.RoleChangeAttributeAudit.RoleChangeAttributeAuditPluginLoader
17-May-2015 23:27:54.148 INFO [localhost-startStop-1]
com.comsquared.idw.catalina.ext.IDWMClassLoader.init Adding plugin root
/usr/us/idwm/plugins/idw-plugins-role_change_attribute_audit to the
WebResourceRoot as a DirResourceSet.
17-May-2015 23:27:54.148 INFO [localhost-startStop-1]
com.comsquared.idw.catalina.ext.IDWMClassLoader.init DirResourceSet base URL =
file:/usr/us/idwm/plugins/idw-plugins-role_change_attribute_audit/
17-May-2015 23:28:05.198 INFO [localhost-startStop-1]
com.comsquared.idwm.DataSourceFactory.getObjectInstance Get JNDI datasource
ImageDirectorWorkflowDS from app config
log4j:WARN No such property [maxBackupIndex] in
org.apache.log4j.DailyRollingFileAppender.
17-May-2015 23:28:15.367 INFO [localhost-startStop-1]
org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web
application directory /usr/local/apache-tomcat-8.0.14/webapps/idwm has finished
in 21,978 ms
17-May-2015 23:28:15.371 INFO [localhost-startStop-1]
org.apache.catalina.startup.HostConfig.deployDirectory Deploying web
application directory /usr/local/apache-tomcat-8.0.14/webapps/docs
17-May-2015 23:28:15.425 INFO [localhost-startStop-1]
org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for
TLDs yet contained no TLDs. Enable debug logging for this
