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Mar 18
I migrated Eclipse 3.2 to 3.3.1, at first I used the same workspace and I had some problems with myln plugins and the server did not start correctly. Then i tried with a new workspace and everything was smooth except at server startup: Timeout waiting for Tomcat v5.5 Server at localhost to start. Server did not start after 45s. You need to set server timeout delay = Unlimited from Window>Preferences>Server… Jan 20
I needed to merge the branch changes into trunk of the project, after many changes at both the branch and trunk… First we have to commit all changes, in case of some failure at the merge operation we may revert all changes. Select from menu, select the path of the branch and the revision. Revision number is selected from the Show Log, and is number when we created the branch.
Some useful links for SVN merge: Dec 18
I tried Maven plugins for code analysis and finding duplicate/similar code. CPD-PMD’s Copy/Paste Detector can be used for finding duplicate code, which is included in PMD, a Java code analysis tool. Simian - Similarity Analyser is also an alternative for finding duplicates. Dec 18
We started code review using Crucible, so i searched for some code analysis maven plugins. PMD is a Java code analysis tool and used to find potential problems like unused code, duplicate code, unused variables… PMD is useful and easy: pom.xml:
<reporting>
<outputDirectory>target/reporting/pmd</outputDirectory>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-pmd-plugin</artifactId>
</plugin>
</plugins>
</reporting>
If you get the following error, simply add target-jdk configuration:
<reporting>
<outputDirectory>target/reporting/pmd</outputDirectory>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-pmd-plugin</artifactId>
<configuration>
<targetJdk>1.5</targetJdk>
</configuration>
</plugin>
</plugins>
</reporting>
The PMD report is at pmd.html, but i couldn’t find categories, and more detailed reports. We can also customize PMD rules & rulesets: How to write a PMD rule? CheckStyle is also a strong Maven 2 plugin for java code analysis. Simply running mvn checkstyle:checkstyle gives us detailed html/rss report(mvn site gives heap or memory error for some projects).
<reporting>
……
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-checkstyle-plugin</artifactId>
</plugin>
</plugins>
</reporting>
We can customize the reports generated by Maven’s site plugin. Simply add or overwrite <reports> tag at project.xml. The result gives us reports of project like dependencies, project info, project reports (CMD and PMD reports included), source repository, … <reports> <report>index</report> <report>dependencies</report> <report>project-team</report> <report>mailing-list</report> <report>cim</report> <report>issue-tracking</report> <report>license</report> <report>scm</report> <report>maven-pmd-plugin</report> <report>maven-checkstyle-plugin</report> </reports> Dec 10
I need formatting java code snippets at my blogs so i use an eclipse plugin, simply you can copy html code to editor. I think the most practical way to format html and xml code snippets is using: Thanks to Truong Hong Thi for sharing Edit: I also found a brilliant wordpress plugin for formatting source code. Easy to use, just add source language=’java’ tag
public class FileComponent implements Serializable{
private String fileName;
private String contentType;
private int size;
private String localPath;
public String getFileName() {
return fileName;
}
public void setFileName(String fileName) {
this.fileName = fileName;
}
}
Nov 27
I upgraded maven 2.0.4 to 2.0.7 and the i couldn’t compile the existing projects because of filtering problem - filtering files couldn’t be read, the source of problem was maven-assembly-plugin. I think such kind of incongruities generally may occur. The simplest solution of such problems is simply renaming the maven folder …\.m2\repository\org\apache\ and installing the project again for full download of all maven and maven plugins The details of the problem and the solution is below: Nov 27
Using Tomcat 5.5.17 after starting application, jsp pages couldn’t be rendered and the following error is taken with an empty page. To fix the problem simply check the commons-el.jar versions and also remove geronimo-spec-jsp.jar from WEB-INF\lib directory if this jar is not already excluded: java.lang.VerifyError: (class: org/apache/jasper/runtime/PageContextImpl, method: getExpressionEvaluator signature: ()Ljavax/servlet/jsp/el/ExpressionEvaluator;) Wrong return type in function Nov 27
Sonsuza dek yatan sanma ölüdür, Korku Öyküleri Antolojisi - Karanlıkta 33 Yazar kitabında en beğendiğim öykülerden biri Adsız Kent, ve yazarı H.P. Lovecraft‘in diğer kitapları ve öykülerini okumak için sabırsızlanıyorum Nov 27
Creating Dynamic Components at JSF is really easy but because of performance problems and the large number of components to generate i choose different way at project. A simple sample: Use datagrid/datatable object to add your components: <h:panelgrid id=”grid1″ styleclass=”panelGrid” columns=”2″></h:panelgrid> <hx:commandexbutton id=”newComponentBtn” action=”#{pc_DynaComponentView.addNewComponent}” styleclass=”commandExButton” type=”submit” value=”New Component”> </hx:commandexbutton> Sample JSF: <h:form id=”form1″ styleclass=”form”> <h:panelgrid id=”grid1″ styleclass=”panelGrid” columns=”2″></h:panelgrid> <hx:commandexbutton id=”newComponentBtn” action=”#{pc_DynaComponentView.addNewComponent}” styleclass=”commandExButton” type=”submit” value=”New Component”></hx:commandexbutton> <h:panelgrid id=”grid1″ styleclass=”panelGrid” columns=”2″></h:panelgrid> <hx:commandexbutton id=”newComponentBtn” action=”#{pc_PageView.addNewComponent}” styleclass=”commandExButton” type=”submit” value=”New Component”></hx:commandexbutton> </h:form> Sample Code at Backing Bean:
public void addNewComponent() {
// create sample components
HtmlSelectOneListbox listbox = new HtmlSelectOneListbox();
HtmlInputText text1 = new HtmlInputText();
text1.setValue("TEST");
List valueList = new ArrayList();
SelectItem selectItem = new SelectItem("TEST1", "TEST1");
valueList.add(selectItem);
selectItem = new SelectItem("TEST2", "TEST2");
valueList.add(selectItem);
UISelectItems items = new UISelectItems();
items.setValue(valueList);
listbox.getChildren().add(items);
grid1 = getGrid1();
// Add components
grid1.getChildren().add(listbox);
grid1.getChildren().add(text1);
}
Nov 27
..\IBM\Rational\SDP\6.0\rwd\eclipse\plugins\com.ibm.etools.jsf. com.xxx.model.data.messages.messages.properties edited. faces-config.xml : <application> |
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