http://blogs.oracle.com/learnwithpavan/2008/09/any_application_server_need_to.htmlOn step 7 as mentioned in the pdf, we can change the listen port to any other unused port like 8001 and you are good to go.
http://blogs.oracle.com/learnwithpavan/mydocs/weblogic/Creating%20a%20new%20Weblogic%20Domain.pdf
public String getEhcacheVersion(){mvn puts data into META-INF/maven/net.sf.ehcache/ehcache-core/pom.properties
String ehcacheVersion = null;
JarInputStream jarIn = null;
File file = null;
try {
file = new File(Ehcache.class.getProtectionDomain()
.getCodeSource().getLocation().toURI());
jarIn = new JarInputStream(new FileInputStream(file));
JarEntry entry;
while ((entry = jarIn.getNextJarEntry()) != null) {
if (entry.getName().toUpperCase().equalsIgnoreCase("META-INF/maven/"
+"net.sf.ehcache/ehcache-core/pom.properties")){
BufferedReader reader = new BufferedReader(new InputStreamReader(jarIn));
String line = null;
while ((line = reader.readLine()) != null) {
if(line.startsWith("version")){
ehcacheVersion=line;
break;
}
}
}
}
}
catch (URISyntaxException e1) {e1.printStackTrace();}
catch (IOException e) {e.printStackTrace();}
finally {
if (jarIn != null)
try { jarIn.close(); } catch (Exception e) {}
}
return ehcacheVersion;
}
#Generated by Maven
#Thu Sep 24 12:20:41 PDT 2009
version=xxx
groupId=net.sf.ehcache
artifactId=ehcache-core
org.hibernate.QueryException: ClassNotFoundException: org.hibernate.hql.ast.HqlToken [from org.hibernate.tutorial.domain.Person p]
at org.hibernate.hql.ast.HqlLexer.panic(HqlLexer.java:80)
at antlr.CharScanner.setTokenObjectClass(CharScanner.java:340)
at org.hibernate.hql.ast.HqlLexer.setTokenObjectClass(HqlLexer.java:54)
at antlr.CharScanner.(CharScanner.java:51)
at antlr.CharScanner.(CharScanner.java:60)
at org.hibernate.hql.antlr.HqlBaseLexer.(HqlBaseLexer.java:56)
at org.hibernate.hql.antlr.HqlBaseLexer.(HqlBaseLexer.java:53)
at org.hibernate.hql.antlr.HqlBaseLexer.(HqlBaseLexer.java:50)
at org.hibernate.hql.ast.HqlLexer.(HqlLexer.java:49)
at org.hibernate.hql.ast.HqlParser.getInstance(HqlParser.java:67)
at org.hibernate.hql.ast.QueryTranslatorImpl.parse(QueryTranslatorImpl.java:268)
at org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:182)
at org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:136)
at org.hibernate.engine.query.HQLQueryPlan.(HQLQueryPlan.java:101)
at org.hibernate.engine.query.HQLQueryPlan.(HQLQueryPlan.java:80)
at org.hibernate.engine.query.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:94)
at org.hibernate.impl.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:156)
at org.hibernate.impl.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:135)
at org.hibernate.impl.SessionImpl.createQuery(SessionImpl.java:1651)
at org.hibernate.tutorial.web.EventManagerServlet.init(EventManagerServlet.java:28)
at javax.servlet.GenericServlet.init(GenericServlet.java:241)
at weblogic.servlet.internal.StubSecurityHelper$ServletInitAction.run(StubSecurityHelper.java:283)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(Unknown Source)
at weblogic.servlet.internal.StubSecurityHelper.createServlet(StubSecurityHelper.java:64)
at weblogic.servlet.internal.StubLifecycleHelper.createOneInstance(StubLifecycleHelper.java:58)
at weblogic.servlet.internal.StubLifecycleHelper.(StubLifecycleHelper.java:48)
at weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.java:521)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:235)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at org.hibernate.tutorial.web.SessionInterceptor.doFilter(SessionInterceptor.java:41)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3496)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(Unknown Source)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2180)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2086)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1406)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE weblogic-web-app PUBLIC "-//BEA Systems, Inc.//DTD Web Application 8.1//EN"
"http://www.bea.com/servers/wls810/dtd/weblogic810-web-jar.dtd">
<weblogic-web-app>
<container-descriptor>
<prefer-web-inf-classes>true</prefer-web-inf-classes>
</container-descriptor>
</weblogic-web-app>
Note: All the dependencies should be in the WARFor me, it threw
Warning: The above code can lead you to some ClassCastExceptions which is due to conflicting classes in WEB-INF/lib and system libs.
java.lang.ClassCastException: weblogic.xml.jaxp.RegistryXMLReader cannot be cast to org.xml.sax.XMLReaderso needed to remove xml-apis jar from WEB-INF/lib.
at org.xml.sax.helpers.XMLReaderFactory.loadClass(Unknown Source)
at org.xml.sax.helpers.XMLReaderFactory.createXMLReader(Unknown Source)
at org.dom4j.io.SAXHelper.createXMLReader(SAXHelper.java:83)
at org.dom4j.io.SAXReader.createXMLReader(SAXReader.java:894)
at org.dom4j.io.SAXReader.getXMLReader(SAXReader.java:715)
<?xml version="1.0" encoding="ISO-8859-1"?>
<weblogic-application>
<prefer-application-packages>
<package-name>antlr.*</package-name>
</prefer-application-packages>
</weblogic-application>
Analyzing Jmeter logs ...
==============================
502 Error = 0
503 Error = 0
DEV-1929 = 0
Response Time
==============================
Average JMeter response time [e1s31] = 96.8721
Average JMeter response time = 35.7428
Server Latency Stats
=====================
Average = 4.76148 ms
Minimum = 0 ms
Maximum = 7036 ms
Std. Deviation = 59.4633
Total # of Requests = 5407000
Nodes = 16
L2 Configuration
==============================
TC_OPTS=-Xms4g -Xmx4g -XX:+DisableExplicitGC -XX:-TraceClassUnloading -XX:TargetSurvivorRatio=90 -Xss128k -XX:+AggressiveHeap -Dcom.tc.l2.objectmanager.fault.logging.enabled=true -Dcom.tc.l2.cachemanager.logging.enabled=true -Dcom.tc.l2.berkeleydb.je.maxMemoryPercent=15 -XX:SurvivorRatio=12
L1 Configuration
==============================
CATALINA_OPTS=-Duse.async.processing=true -Dasync.concurrency=5 -Dcom.tc.hibernate.useFineGrainedLocking=false -Dcom.tc.l1.cachemanager.enabled=false -Duse.pojoizer=true -Xms1024m -Xmx1024m -server -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -verbose:gc -XX:TargetSurvivorRatio=90 -Xss128k -XX:NewSize=512m -XX:MaxNewSize=512m
Object DB Size
==============================
26G /export1/bench/perfTests/terracotta/server/data/objectdb
L2 VerboseGC log Analysis
GC Report
================
Avg Full GC Duration = 6.12302 secs
Avg Full GC Interval = 99.5817 secs
Total Full GC Time = 385.75 secs
No. of Full GC = 63
Avg Young GC Duration = 0.234307 secs
Avg Young GC Interval = 10.8526 secs
No. of Young GC = 589
Total Young GC Time = 136.44 secs
Avg Young GC Occurence b/w Full GC = 9.34921
Avg Young GC Time b/w Full GC = 2.16571 secs
Analyzing Jmeter logs ...
==============================
502 Error = 0
503 Error = 0
DEV-1929 = 0
//This includes network latency, etc.
Response Time
==============================
Average JMeter response time [Last Page/e1s31] = 144.109 ms
Average JMeter response time = 98.2516 ms
//This is server latency printed by the apache tomcat servlet engine
Server Latency Stats
=====================
Average = 9.90304 ms
Minimum = 0 ms
Maximum = 5851 ms
Std. Deviation = 40.5956
Total # of Requests = 2704000
Nodes = 8
L2 Configuration
==============================
TC_OPTS=-Xms4g -Xmx4g -XX:+DisableExplicitGC -XX:-TraceClassUnloading -XX:TargetSurvivorRatio=90 -Xss128k -XX:+AggressiveHeap -Dcom.tc.l2.objectmanager.fault.logging.enabled=true -Dcom.tc.l2.cachemanager.logging.enabled=true -Dcom.tc.l2.berkeleydb.je.maxMemoryPercent=15 -XX:SurvivorRatio=12
L1 Configuration
==============================
CATALINA_OPTS=-Duse.async.processing=true -Dasync.concurrency=5 -Dcom.tc.hibernate.useFineGrainedLocking=false -Dcom.tc.l1.cachemanager.enabled=false -Duse.pojoizer=true -Xms1024m -Xmx1024m -server -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -verbose:gc -XX:TargetSurvivorRatio=90 -Xss128k -XX:NewSize=512m -XX:MaxNewSize=512m
// We have async TIM installed which let the saving the results to database asynchronously.
MySQL DB (perf28) Entries in EXAM_RESULT
=========================================
COUNT(*)
4547
MySQL DB (perf28) results completion time
==========================================
min(START_TIME) max(END_TIME) completionsecs
2009-02-20 04:40:12 2009-02-20 06:21:41 6089
Object DB Size
==============================
13G /export1/bench/perfTests/terracotta/server/data/objectdb
L2 VerboseGC log Analysis
GC Report
================
Avg Full GC Duration = 5.50871 secs
Avg Full GC Interval = 247.74 secs
Total Full GC Time = 137.718 secs
No. of Full GC = 25
Avg Young GC Duration = 0.230732 secs
Avg Young GC Interval = 25.8137 secs
No. of Young GC = 246
Total Young GC Time = 56.76 secs
Avg Young GC Occurence b/w Full GC = 9.84
Avg Young GC Time b/w Full GC = 2.2704 secs
mysql -u root -h perf28 -e 'SELECT COUNT(*) FROM exam.EXAM_RESULT'
+----------+
| COUNT(*) |
+----------+
| 9600 |
+----------+
Tomcat JSP compiler Jasper has some recommended configuration for production environment or rather non-development environment. They are described below and are made to web.xml
http://tomcat.apache.org/tomcat-6.0-doc/jasper-howto.html#Production%20Configuration
<servlet>
<servlet-name>jsp</servlet-name>
<servlet-class>org.apache.jasper.servlet.JspServlet</servlet-class>
<init-param>
<param-name>fork</param-name>
<param-value>false</param-value>
</init-param>
<init-param>
<param-name>xpoweredBy</param-name>
<param-value>false</param-value>
</init-param>
<!-- development Is Jasper used in development mode? If true, ---->
<!-- the frequency at which JSPs are checked for ---->
<!-- modification may be specified via the ---->
<!-- modificationTestInterval parameter. [true] ---->
<!-- -->
<init-param> <param-name>development</param-name> <param-value>false</param-value> </init-param>
<!-- mappedfile Should we generate static content with one ---->
<!-- print statement per input line, to ease ---->
<!-- debugging? [true] ---->
<!-- -->
<init-param>
<param-name>mappedfile</param-name>
<param-value>false</param-value>
</init-param>
<!-- modificationTestInterval ---->
<!-- Causes a JSP (and its dependent files) to not ---->
<!-- be checked for modification during the ---->
<!-- specified time interval (in seconds) from the ---->
<!-- last time the JSP was checked for ---->
<!-- modification. A value of 0 will cause the JSP ---->
<!-- to be checked on every access. ---->
<!-- Used in development mode only. [4] ---->
<!-- -->
<init-param>
<param-name>modificationTestInterval</param-name>
<param-value>3600</param-value>
</init-param>
<!-- genStrAsCharArray Should text strings be generated as char ---->
<!-- arrays, to improve performance in some cases? ---->
<!-- [false] ---->
<!-- -->
<init-param>
<param-name>genStringAsCharArray</param-name>
<param-value>true</param-value>
</init-param>
<load-on-startup>3</load-on-startup> </servlet>
The following changes were made regarding the tomcat server made to server.xml
Reference: http://tomcat.apache.org/tomcat-6.0-doc/config/http.html
<Connector port="8080" protocol="HTTP/1.1"
enableLookups="false"
maxThreads="500"
minSpareThreads="100"
maxKeepAliveRequests="1"
acceptCount="200"
connectionTimeout="20000"
redirectPort="8443" />
It is the maximum number of request processing threads to be created by this Connector, which therefore determines the maximum number of simultaneous requests that can be handled. The number were set to 500 as there were requests rejected giving connection refused error when load applied on the server was about 400 user. There is thinktime applied in the test which should reduce the concurrency in the server but at certain point of time, there were few requests kept alive if the keep-alive timeout is too high.
The maximum number of HTTP requests which can be pipelined until the connection is closed by the server. Setting this attribute to 1 will disable HTTP/1.0 keep-alive, as well as HTTP/1.1 keep-alive and pipelining. Setting this to -1 will allow an unlimited amount of pipelined or keep-alive HTTP requests. If not specified, this attribute is set to 100. There are redirects for each request so its good to have keep alive so that each redirected request is handled by the same thread.
The maximum queue length for incoming connection requests when all possible request processing threads are in use. Any requests received when the queue is full will be refused. The default value is 10. It is set high so that we dont have any requests that is getting refused by the server.
The limit on connections made to MySQL server is specified by the max_client parameter. The default value is 100, so if we have connection pool size of 100 on the app servers, the limit on mysql server throws "com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException: Too many connections".
<httpSample t="5" lt="5" ts="1184177284608" s="true" lb="/examinator/" rc="200" rm="OK" tn="Thread Group 1-1" dt="text"/>t="5" : 5 ms is the response time for this sample
