How to attach source or JavaDoc in eclipse for any jar file e g JavaFX

Question

Presently I m working with JavaFX  Whenever I hover over a method of JavaFX its gives me the following error     Note  This element neither has attached source nor attached Javadoc and hence no Javadoc could be found   How should I resolve this  How can I attach the javadoc or source so that I could see the description of the methods

User · Answer

I couldn t get the  Attach source     method to work either  and I tried many different ways   The Javadocs for JavaFX are installed in Program Files Oracle JavaFX 2 x SDK docs   Another way to install the Javadocs is    Right click on the project  select Properties Select Libraries on the right side of the tab At the right top side of the tab  you may see  Default JavaFX Platform  or something similar   Click on the Manage Platforms button    You can also install this default platform from here if you haven t got this already   In the Java Platform Manager tab which appears  select  Default JavaFX Platform  on the left side  and then click on the JavaFX tab on the right side of the window  One of the entry fields is labeled  JavaFX Javadoc    Click the  Browse  button next to this field and browse to the installed docs file mentioned above    Hope this helps some people who were as puzzled as I was

User · Answer

Alternatively you can also     1  Navigate to that method by Ctrl Click on the method  The new tab window will opened with text  Source not found  and button  Attach Source    in it 2  Click the button  Attach Source    3  New window pops up  Click the button  External Folder  4  Locate the JavaFX javadoc folder  If you are on Windows with default installation settings  then the folder path is C  Program Files Oracle JavaFX 2 0 SDK docs

User · Answer

To attach the Java source code with Eclipse  When you install the JDK  you must have selected the option to install the Java source files too  This will copy the src zip file in the installation directory  In Eclipse  go to Window - gt  Preferences - gt  Java - gt  Installed JREs - gt  Add and choose the JDK you have in your system  Eclipse will now list the JARs found in the dialog box  There  select the rt jar and choose Source Attachment  By default  this will be pointing to the correct src zip  If not  choose the src zip file which you have in your java installation directory  java source attach in eclipse Similarly  if you have the javadoc downloaded in your machine  you can configure that too in this dialog box

User · Answer

You could specify the online Javadoc location for a particular JAR in Eclipse  This saved my day when I wasn t able to find any downloadable Javadocs for Kafka    In the Package Explorer  right click on the intended JAR  under the project s Referenced Libraries or Maven Dependences or anything as such  and click on Properties  Click on Javadoc Location  In the Javadoc location path field under Javadoc URL  enter the URL of the online Javadocs  which most likely ends with   lt version gt  javadoc   For example  Kafka 2 3 0 s Javadocs are located at http   www apache org dist kafka 2 3 0 javadoc   you might want to change https to http in your URL  as it raised an invalid location warning after clicking on Validate    for me

User · Answer

Above all answers are right but there is another method also which is very handy   Pre-condition  Your project is Maven project Or converts it to Maven project   RightclickOnProject   Configuration   Convert in to Maven Project    - Now follow the steps   1  Select any jar for which you want to download sources or javadocs   2  RightClick   Maven   Download javadoc or Download javasources

User · Answer

You can configure the Javadocs with downloading jar  basically javadocs will be referred directly from internet   Complete steps    Open the Build Path page of the project  right click  properties  Java build path   Open the Libraries tab  Expand the node of the library in question  JavaFX   Select JavaDoc location and click edit  Enter the location to the file which contains the Javadoc  Specifically for the javaFX javadoc enter http   docs oracle com javafx 2 0 api    for offline javadocs  you can download from    http   www oracle com technetwork java javase documentation java-se-7-doc-download-435117 html  After clicking Accept License Agreement you can download javafx-2 2 0-apidocs zip

User · Answer

In addition to the answer of  dhroove  would have written a comment if I had 50 rep      The link has changed to  http   docs oracle com javafx 2 api   At least my eclipse wasn t able to use the link from him

User · Answer

It already in a different thread  just a simple eclipse setting will automatically download JavaDoc  but  you need to click the method for first time    Where can I download the JavaDoc for JPA 2 0

User · Answer

Neither Project Properties Javadoc Location nor Project Properties Java Build Path Libraries had not helped me until I picked and moved up in  Order and Export  tab of  Java Build Path    Android Dependencies  and added-in-library jar  I hope it will be useful

User · Answer

First  if you get the message      Note  This element neither has attached source nor attached Javadoc and hence no Javadoc could be found   Then it means that you ve already included the external jar needed for your project    The next step would be to associate the external jar with its javadoc url    go to package explorer  expand your project folder  expand referenced libraries right click the external jar that you want to associate its javadoc with click properties -  javadoc location copy and past the url for the javadoc that you googled online into the javadoc location path  click apply   And you re all set

User · Answer

This trick worked for me in Eclipse Luna  4 4 2   For a jar file I am using  htsjdk   I packed the source in a separate jar file  named htsjdk-2 0 1-src jar  I could do this since htsjdk is open source  and stored it in the lib-src folder of my project  In my own Java source I selected an element I was using from the jar and hit F3  Open declaration   Eclipse opened the class file and showed the button  Attach source   I clicked the button and pointed to the src jar file I had just put into the lib-src folder  Now I get the Javadoc when hovering over anything I   m using from the jar

User · Answer

Download jar file containing the JavaDocs  Open the Build Path page of the project  right click  properties  Java build path   Open the Libraries tab  Expand the node of the library in question  JavaFX   Select JavaDoc location and click edit  Enter the location to the file which contains the Javadoc  the one you just downloaded

User · Answer

If you are using maven just do   mvn eclipse eclipse -DdownloadSources true  -DdownloadJavadocs true

[java] How to attach source or JavaDoc in eclipse for any jar file e.g. JavaFX?

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