java.lang.NoClassDefFoundError: org/hamcrest/SelfDescribing
While running junit test in eclipse I am getting this Exception: I’ve added junit.jar library file. I’ve tried different versions of junit.jar: 4.4, 4.8, etc. How do I fix this Exception?
eclipse
Eclipse: Enable autocomplete / content assist
By default in Eclipse you only have to press Ctrl + space for autocomplete. Then select the desired method and wait 500ms for the javadoc info to pop up. If this doesn’t work go to the Eclipse Windows menu → Preferences → Java → Editor → Content assist and check your settings here
Server Tomcat v9.0 Server at localhost failed to start
I am using Eclipse Neon and Tomcat server 9.0 and JDK 1.8 It was working well but unfortunately its giving me error ‘Server Tomcat v9.0 Server at localhost failed to start.’ I tried to change the ports i.e. connection port and other ports too but it did not solve my problem and this error is … Read more
“g++” is not recognized as an internal or external command, MinGW
On my computer I have Windows 7 x86. I installed MinGW, I wrote the path but when I go in cmd.exe and write g++ -v it says: But when I write the make -v command it recognizes it. I need this for school, I work in Eclipse, I even installed the latest java(I saw it … Read more
make: g++: Command not found
You need to install the development tools from GNU. I assume you’re on windows, in which case you have two options: cygwin and mingw. The former includes g++ out of the box. I’m less familiar with mingw, but the C++ Standard library appears to, also, be available. See these installation instructions, I’d recommend starting from step 1, if at all possible.
A JNI error has occurred, please check your installation and try again in Eclipse x86 Windows 8.1
Short answer: Right-click on the class that contains the main method. Click on “Run As”. Click on “Java Application”. The keyboard shortcut is: Shift+Alt+X J (while holding Shift and Alt, press X; then release Shift and Alt and press J). Long answer: To be honest, I am not 100% sure why this problem happens. It might be … Read more
The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path
Add a runtime first and select project properties. Then check the server name from the ‘Runtimes’ tab as shown in the image.
The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path
I have a project created by Maven integration in Eclipse. All work fine, but in the work space in all JSP files have this: To the first string where place: When I create a basic dynamic web project and JSP in – all is fine, no errors.
JRE Missing when installing eclipse
i also had the problem with eclipse and the JRE. Try to delete the 2 Java versions and deinstall eclipse. then install the JDK first and seccond the JRE. after the 2 installations install the new eclipse version(in the installer you chan choose between some installations take the first). i hope I can help you.
undefined reference to `WinMain@16′
When I try to build a program using Eclipse CDT, I get the following: /mingw/lib/libmingw32.a(main.o):main.c:(.text+0x106): undefined reference to `WinMain@16 Why is that? And, how can I solve this issue?