svn commit: r1493066 - /tomcat/trunk/java/org/apache/catalina/startup/ContextConfig.java

2013-06-14 Thread markt
Author: markt
Date: Fri Jun 14 13:43:56 2013
New Revision: 1493066

URL: http://svn.apache.org/r1493066
Log:
Container provided JARs should not be scanned for deployment annotations nor 
should they be checked for web-fragment.xml files.

Modified:
tomcat/trunk/java/org/apache/catalina/startup/ContextConfig.java

Modified: tomcat/trunk/java/org/apache/catalina/startup/ContextConfig.java
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/startup/ContextConfig.java?rev=1493066r1=1493065r2=1493066view=diff
==
--- tomcat/trunk/java/org/apache/catalina/startup/ContextConfig.java (original)
+++ tomcat/trunk/java/org/apache/catalina/startup/ContextConfig.java Fri Jun 14 
13:43:56 2013
@@ -1149,9 +1149,10 @@ public class ContextConfig implements Li
 
 // Ordering is important here
 
-// Step 1. Identify all the JARs packaged with the application
-// If the JARs have a web-fragment.xml it will be parsed at this
-// point.
+// Step 1. Identify all the JARs packaged with the application and 
those
+// provided by the container. If any of the application JARs have a
+// web-fragment.xml it will be parsed at this point. web-fragment.xml
+// files are ignored for container provided JARs.
 MapString,WebXml fragments = processJarsForWebFragments();
 
 // Step 2. Order the fragments.
@@ -2734,8 +2735,12 @@ public class ContextConfig implements Li
 fragment.setWebappJar(isWebapp);
 
 try {
-jar = JarFactory.newInstance(url);
-is = jar.getInputStream(FRAGMENT_LOCATION);
+// Only web application JARs are scanned for deployment
+// annotations and web-fragment.xml files
+if (isWebapp) {
+jar = JarFactory.newInstance(url);
+is = jar.getInputStream(FRAGMENT_LOCATION);
+}
 
 if (is == null) {
 // If there is no web.xml, normal JAR no impact on



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Re: svn commit: r1493066 - /tomcat/trunk/java/org/apache/catalina/startup/ContextConfig.java

2013-06-14 Thread Rainer Jung
On 14.06.2013 15:43, ma...@apache.org wrote:
 Author: markt
 Date: Fri Jun 14 13:43:56 2013
 New Revision: 1493066
 
 URL: http://svn.apache.org/r1493066
 Log:
 Container provided JARs should not be scanned for deployment annotations nor 
 should they be checked for web-fragment.xml files.

Sorry I haven't really investigated this, but:

- I think I have seen you committing a change that labels common loader
loaded Jars as container provided

- we usually suggest to pack JDBC drivers into the common loader, right?

So as a general consistency check to the above: we don't expect JDBC
drivers to contain relevant annotations, web fragments etc. in the near
future?

Regards,

Rainer

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Re: svn commit: r1493066 - /tomcat/trunk/java/org/apache/catalina/startup/ContextConfig.java

2013-06-14 Thread Mark Thomas

On 14/06/2013 16:38, Rainer Jung wrote:

On 14.06.2013 15:43, ma...@apache.org wrote:

Author: markt
Date: Fri Jun 14 13:43:56 2013
New Revision: 1493066

URL: http://svn.apache.org/r1493066
Log:
Container provided JARs should not be scanned for deployment annotations nor 
should they be checked for web-fragment.xml files.


Sorry I haven't really investigated this, but:

- I think I have seen you committing a change that labels common loader
loaded Jars as container provided


Correct.


- we usually suggest to pack JDBC drivers into the common loader, right?


Correct.


So as a general consistency check to the above: we don't expect JDBC
drivers to contain relevant annotations, web fragments etc. in the near
future?


I certainly don't.

Note that any framework JARs in the common loader will always have SCIs 
processed.


Mark


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Re: svn commit: r1493066 - /tomcat/trunk/java/org/apache/catalina/startup/ContextConfig.java

2013-06-14 Thread Christopher Schultz
Mark,

On 6/14/13 11:54 AM, Mark Thomas wrote:
 On 14/06/2013 16:38, Rainer Jung wrote:
 On 14.06.2013 15:43, ma...@apache.org wrote:
 Author: markt
 Date: Fri Jun 14 13:43:56 2013
 New Revision: 1493066

 URL: http://svn.apache.org/r1493066
 Log:
 Container provided JARs should not be scanned for deployment
 annotations nor should they be checked for web-fragment.xml files.

 Sorry I haven't really investigated this, but:

 - I think I have seen you committing a change that labels common loader
 loaded Jars as container provided
 
 Correct.
 
 - we usually suggest to pack JDBC drivers into the common loader, right?
 
 Correct.
 
 So as a general consistency check to the above: we don't expect JDBC
 drivers to contain relevant annotations, web fragments etc. in the near
 future?
 
 I certainly don't.

I was actually hoping that certain JDBC drivers would start packaging a
listener that could do things like stop driver-launched threads, etc.
that the user doesn't really know have been started. Will this then
always be a requirement of the webapp to provide a listener that
essentially does nothing on startup but then terminates things on shutdown?

Or is the idea that these issues are moot unless the driver is actually
in WEB-INF/lib and in that case the listeners will actually be
discovered and fire?

-chris



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Re: svn commit: r1493066 - /tomcat/trunk/java/org/apache/catalina/startup/ContextConfig.java

2013-06-14 Thread Mark Thomas

On 14/06/2013 17:15, Christopher Schultz wrote:

I was actually hoping that certain JDBC drivers would start packaging a
listener that could do things like stop driver-launched threads, etc.
that the user doesn't really know have been started. Will this then
always be a requirement of the webapp to provide a listener that
essentially does nothing on startup but then terminates things on shutdown?


They'd have to include an SCI (which is always processed) and that SCI 
can register a ServletContextListener.


Mark


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Re: svn commit: r1493066 - /tomcat/trunk/java/org/apache/catalina/startup/ContextConfig.java

2013-06-14 Thread Christopher Schultz
Mark,

On 6/14/13 12:22 PM, Mark Thomas wrote:
 On 14/06/2013 17:15, Christopher Schultz wrote:
 I was actually hoping that certain JDBC drivers would start packaging a
 listener that could do things like stop driver-launched threads, etc.
 that the user doesn't really know have been started. Will this then
 always be a requirement of the webapp to provide a listener that
 essentially does nothing on startup but then terminates things on
 shutdown?
 
 They'd have to include an SCI (which is always processed) and that SCI
 can register a ServletContextListener.

Sorry... I'm not yet sensitive to the different language being used
here. I read the original commit comment as don't scan container JARs
at all instead of what you said which was to not scan for
annotations. Big difference ;)

-chris



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Re: svn commit: r1493066 - /tomcat/trunk/java/org/apache/catalina/startup/ContextConfig.java

2013-06-14 Thread Rainer Jung
On 14.06.2013 18:36, Christopher Schultz wrote:
 Mark,
 
 On 6/14/13 12:22 PM, Mark Thomas wrote:
 On 14/06/2013 17:15, Christopher Schultz wrote:
 I was actually hoping that certain JDBC drivers would start packaging a
 listener that could do things like stop driver-launched threads, etc.
 that the user doesn't really know have been started. Will this then
 always be a requirement of the webapp to provide a listener that
 essentially does nothing on startup but then terminates things on
 shutdown?

 They'd have to include an SCI (which is always processed) and that SCI
 can register a ServletContextListener.
 
 Sorry... I'm not yet sensitive to the different language being used
 here. I read the original commit comment as don't scan container JARs
 at all instead of what you said which was to not scan for
 annotations. Big difference ;)

Yup, later commit by mark http://svn.apache.org/r1493080 clarified SCI
use for container Jars.

Rainer


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