Huong Dan Java - Page 39 of 78 - Java development tutorials

Fix error “Could not find artifact com.sun:tools:jar:1.5.0” of Apache Maven in Anypoint Studio

When working with Mule ESB using Apache Maven in Anypoint Studio, I am sure that everyone must encounter the following error:

[ERROR] [ERROR] Some problems were encountered while processing the POMs:
[ERROR] Unresolveable build extension: Plugin org.mule.tools.maven:mule-app-maven-plugin:1.2 or one of its dependencies could not be resolved: Could not find artifact com.sun:tools:jar:1.5.0 at specified path C:\Program Files\Java\jre1.8.0_101/../lib/tools.jar @ 
[ERROR] Unknown packaging: mule @ line 9, column 16
 @ 
[ERROR] The build could not read 1 project -> [Help 1]
[ERROR]   
[ERROR]   The project com.huongdanjava:esbexample:1.0.0-SNAPSHOT (D:\test\esbexample\pom.xml) has 2 errors
[ERROR]     Unresolveable build extension: Plugin org.mule.tools.maven:mule-app-maven-plugin:1.2 or one of its dependencies could not be resolved: Could not find artifact com.sun:tools:jar:1.5.0 at specified path C:\Program Files\Java\jre1.8.0_101/../lib/tools.jar -> [Help 2]
[ERROR]     Unknown packaging: mule @ line 9, column 16
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException
[ERROR] [Help 2] http://cwiki.apache.org/confluence/display/MAVEN/PluginManagerException

[ERROR] [ERROR] Some problems were encountered while processing the POMs:

[ERROR] Unresolveable build extension: Plugin org.mule.tools.maven:mule-app-maven-plugin:1.2 or one of its dependencies could not be resolved: Could not find artifact com.sun:tools:jar:1.5.0 at specified path C:\Program Files\Java\jre1.8.0_101/../lib/tools.jar @

[ERROR] Unknown packaging: mule @ line 9, column 16

[ERROR] The build could not read 1 project -> [Help 1]

[ERROR]

[ERROR] The project com.huongdanjava:esbexample:1.0.0-SNAPSHOT (D:\test\esbexample\pom.xml) has 2 errors

[ERROR] Unknown packaging: mule @ line 9, column 16

[ERROR]

[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.

[ERROR] Re-run Maven using the -X switch to enable full debug logging.

[ERROR]

[ERROR] For more information about the errors and possible solutions, please read the following articles:

[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException

[ERROR] [Help 2] http://cwiki.apache.org/confluence/display/MAVEN/PluginManagerException

To resolve this error, please follow the instructions below: – First, go to Window -> Preferences, open the Java item and select Installed… Read More

Questions Management – Core Question Service – Build API update question using Spring WebFlux and Spring Data MongoDB Reactive

7 years ago by Khanh NguyenQuestions Management

Check out the full series of Questions Management tutorial here. In the previous tutorial, we prepared all the necessary configurations to build API update a question such as: a Question document object containing the information of a question, a QuestionRepository for manipulation with MongoDB, a QuestionController… Read More

Questions Management – Frontend – Build the display content of a question using Angular, Bootstrap

7 years ago by Khanh NguyenQuestions Management

Check out the full series of Questions Management tutorial here. After we have completed the display of the questions, now we will implement the detail for the missing parts in this page, including adding a new question, viewing the contents of a question, editing and… Read More

Fix error “Fatal error compiling: tools.jar not found” of Apache Maven on Eclipse

7 years ago by Khanh NguyenApache Maven

When working with Apache Maven in Eclipse, I am convinced that no one didn’t encountered an error as below when building the application:

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.5.1:compile (default-compile) on project example: Fatal error compiling: tools.jar not found: C:\Program Files\Java\jre1.8.0_101\..\lib\tools.jar -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.5.1:compile (default-compile) on project example: Fatal error compiling: tools.jar not found: C:\Program Files\Java\jre1.8.0_101\..\lib\tools.jar -> [Help 1]

[ERROR]

[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.

[ERROR] Re-run Maven using the -X switch to enable full debug logging.

[ERROR]

[ERROR] For more information about the errors and possible solutions, please read the following articles:

[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException

What is the cause? This is because by default Apache Maven will use the Maven Compiler Plugin plugin to compile the… Read More

Questions Management – API Question Service – Build API find question by id using Spring WebFlux

7 years ago by Khanh NguyenQuestions Management

Check out the full series of Questions Management tutorial here. In the previous tutorial, we prepared all the necessary configurations to build API find question by id: an object containing all the information of a question CompositeQuestion including Question, Category, and Option; a CompositeQuestionService interface… Read More

Install Anypoint Studio

7 years ago by Khanh NguyenMule ESB

Anypoint Studio is an IDE for developing Mule ESB applications. In this tutorial, we will learn together how to install it! First, let’s go to this site to download Anypoint Studio: https://www.mulesoft.com/lp/dl/studio. Currently, Mule ESB has two versions, 3.x and 4.x, respectively, Anypoint Studio has… Read More

Install Git server on Ubuntu

7 years ago by Khanh NguyenGit

Unlike CVS or Subversion, Git is now in widespread use for its advantage. In this tutorial, I will guide you through the steps to install a GIT server on the Ubuntu environment! First, let’s open the Ubuntu Terminal and install the Git with the following… Read More

Questions Management – Composite Question Service – Build API to find question by id using Spring WebFlux

7 years ago by Khanh NguyenQuestions Management

Check out the full series of Questions Management tutorial series here. In the previous tutorial, we prepared all the necessary configurations to build API to find question by id in the Composite Question Service: an object containing all the information of a CompositeQuestion question including… Read More

Install CVS server on Ubuntu

7 years ago by Khanh NguyenCVS

Although CVS is not as popular as before, there are cases where you will need to know how to install CVS server as myself. Therefore, in this tutorial I would like to sum up the steps to install the CVS server on Ubuntu. You can… Read More

Questions Management – Core Question Service – Build API find question by id using Spring WebFlux and Spring Data MongoDB Reactive

7 years ago by Khanh NguyenQuestions Management

Check out the full series of Questions Management tutorial here. In the previous tutorial, we prepared all the necessary configurations to build an API to find question by id in the MongoDB database: a Question document object containing the information of a question, a QuestionRepository… Read More