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Categories >> Software >> Java Related >> Java J2EE >> Struts
 
 


 

 
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Question
Which parser is used in Struts to parse the Structconfig.xml
file.
 Question Submitted By :: Struts
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
it's SAX parser we use, to parse the Struct-Config.xml file. 
Is This Answer Correct ?    12 Yes 0 No
Dasari Ravinder
 
Answer
# 2
digester 
Is This Answer Correct ?    9 Yes 0 No
Shivram
 
 
 
Answer
# 3
Digester is used to parse struts-config.xml

http://www.onjava.com/pub/a/onjava/2002/10/23/digester.html
 
Is This Answer Correct ?    9 Yes 0 No
Mari
 
Answer
# 4
SAX Parser is used to parse the xml file because basically
it is for the ActionServlet to read the xml file rather
than writing something into the struts-config xml file
just the action servlet has to read the file and construts
the module config object for the one time and load it
so as SAX Parser is basically for reading and doing some
search operation Struts uses this aproach intelligently.
 
Is This Answer Correct ?    7 Yes 0 No
Achutanand
 
Answer
# 5
The Digester class parser the XML document. The Digester
framework comes with 10 prepackaged "rules," which cover
most of the required tasks when unmarshalling XML (such as
creating a bean or setting a bean property), but each user
is free to define and implement his or her own rules, as
necessary.
 
Is This Answer Correct ?    5 Yes 0 No
Sudhakar
 
Answer
# 6
I am in confusion give me right answer. But i think it's
SAX parser
 
Is This Answer Correct ?    5 Yes 1 No
Ankit
 
Answer
# 7
Hi, Everybody,

Actually in jakarta struts there are two parsers.
one is DOM parser and another is SAX.

1) DOM, read the whole document at a time and creats tree
like structure.

2) SAX also creates tree like structure but with event, and
Digerster is a framework which simplifies the SAX parsing
by providing Higher level Interface to SAX events.

3)DOM is easier to implement, slower and more resource-
intensive than SAX.

4) Digerter is Originally designed to parse the struts-
config.xml, later recognized that this is more useful and
moved to "jakarta commons" project.

hense Digester is the framework which is desigened to parse
the struts-config.xml file, which inturn uses SAX parser.
 
Is This Answer Correct ?    5 Yes 1 No
Sandeep Barange
 
Answer
# 8
See what happens is that Struts uses the Digester to map the xml data in the struts-config.xml to java objects.
Now internally digester needs a Sax parser and it could do with either a xerces/crimson parser as both are sax parsers
 
Is This Answer Correct ?    3 Yes 0 No
Johnson Ashish Joseph
 
Answer
# 9
just give the right answer ???????????? 
Is This Answer Correct ?    2 Yes 0 No
Gcd
 
Answer
# 10
please give exact answer. 
Is This Answer Correct ?    2 Yes 0 No
Srinivas
 

 
 
 
Other Struts Interview Questions
 
  Question Asked @ Answers
 
collection framework hirarchy?   5
we have 7 jsp pages .At last page we have a submit button when we click it it will store all jsps data which we provide will store into database. when we starting providing data in jsp pages when we are at 3rd jsp at that time sessions timeout where the data will be store which we r provide in last two jsps?   2
Hi frnds iam new to struts wen iam running helloworld application using struts iam getting the error as belwo kindly any one can solve it plzz .....thanks in advance......... Nov 18, 2009 9:27:46 PM org.apache.tomcat.util.digester.SetPropertiesRule begin WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:StrutsExample1' did not find a matching property. Nov 18, 2009 9:27:46 PM org.apache.tomcat.util.digester.SetPropertiesRule begin WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:Struts1' did not find a matching property. Nov 18, 2009 9:27:46 PM org.apache.catalina.core.AprLifecycleListener init INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jre6\bin;.;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\sys tem32;C:\WINDOWS;C:/Program Files/Java/jre6/bin/client;C:/Program Files/Java/jre6/bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOW S\System32\Wbem;C:\Program Files\Java\jdk1.5.0_18\bin; Nov 18, 2009 9:27:46 PM org.apache.coyote.http11.Http11Protocol init INFO: Initializing Coyote HTTP/1.1 on http-8081 Nov 18, 2009 9:27:46 PM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 678 ms Nov 18, 2009 9:27:46 PM org.apache.catalina.core.StandardService start INFO: Starting service Catalina Nov 18, 2009 9:27:46 PM org.apache.catalina.core.StandardEngine start INFO: Starting Servlet Engine: Apache Tomcat/6.0.20 Nov 18, 2009 9:27:46 PM org.apache.catalina.core.ApplicationContext log INFO: Marking servlet action as unavailable Nov 18, 2009 9:27:46 PM org.apache.catalina.core.ApplicationContext log SEVERE: Error loading WebappClassLoader delegate: false repositories: /WEB-INF/classes/ ----------> Parent Classloader: org.apache.catalina.loader.StandardClassLoader@ca2dce org.apache.struts.action.ActionServlet java.lang.ClassNotFoundException: org.apache.struts.action.ActionServlet at org.apache.catalina.loader.WebappClassLoader.loadClass(Webap pClassLoader.java:1387) at org.apache.catalina.loader.WebappClassLoader.loadClass(Webap pClassLoader.java:1233) at org.apache.catalina.core.StandardWrapper.loadServlet(Standar dWrapper.java:1095) at org.apache.catalina.core.StandardWrapper.load(StandardWrappe r.java:993) at org.apache.catalina.core.StandardContext.loadOnStartup(Stand ardContext.java:4149) at org.apache.catalina.core.StandardContext.start(StandardConte xt.java:4458) at org.apache.catalina.core.ContainerBase.start(ContainerBase.j ava:1045) at org.apache.catalina.core.StandardHost.start(StandardHost.jav a:722) at org.apache.catalina.core.ContainerBase.start(ContainerBase.j ava:1045) at org.apache.catalina.core.StandardEngine.start(StandardEngine .java:443) at org.apache.catalina.core.StandardService.start(StandardServi ce.java:516) at org.apache.catalina.core.StandardServer.start(StandardServer .java:710) at org.apache.catalina.startup.Catalina.start(Catalina.java:583 ) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:2 88) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:41 3) Nov 18, 2009 9:27:46 PM org.apache.catalina.core.StandardContext loadOnStartup SEVERE: Servlet /Struts1 threw load() exception java.lang.ClassNotFoundException: org.apache.struts.action.ActionServlet at org.apache.catalina.loader.WebappClassLoader.loadClass(Webap pClassLoader.java:1387) at org.apache.catalina.loader.WebappClassLoader.loadClass(Webap pClassLoader.java:1233) at org.apache.catalina.core.StandardWrapper.loadServlet(Standar dWrapper.java:1095) at org.apache.catalina.core.StandardWrapper.load(StandardWrappe r.java:993) at org.apache.catalina.core.StandardContext.loadOnStartup(Stand ardContext.java:4149) at org.apache.catalina.core.StandardContext.start(StandardConte xt.java:4458) at org.apache.catalina.core.ContainerBase.start(ContainerBase.j ava:1045) at org.apache.catalina.core.StandardHost.start(StandardHost.jav a:722) at org.apache.catalina.core.ContainerBase.start(ContainerBase.j ava:1045) at org.apache.catalina.core.StandardEngine.start(StandardEngine .java:443) at org.apache.catalina.core.StandardService.start(StandardServi ce.java:516) at org.apache.catalina.core.StandardServer.start(StandardServer .java:710) at org.apache.catalina.startup.Catalina.start(Catalina.java:583 ) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:2 88) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:41 3) Nov 18, 2009 9:27:46 PM org.apache.coyote.http11.Http11Protocol start INFO: Starting Coyote HTTP/1.1 on http-8081 Nov 18, 2009 9:27:46 PM org.apache.jk.common.ChannelSocket init INFO: JK: ajp13 listening on /0.0.0.0:8009 Nov 18, 2009 9:27:46 PM org.apache.jk.server.JkMain start INFO: Jk running ID=0 time=0/31 config=null Nov 18, 2009 9:27:46 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 616 ms   2
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I facing problems while explaining project details in the interview...... can any tell complete project architecture that followed in companies   1
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how can you switch onemodule to another module by switch action class plz explain with exapmle? Satyam 1
what is the advantages and diadvantages of Struts?   1
 
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