FATAL ERROR in native method JDWP No transports initialized jvmtiError AGENT ERROR TRANSPORT INIT 197

Question

Can you explain what this error is  and secondly why I am getting it    FATAL ERROR in native method  JDWP No transports initialized  jvmtiError AGENT ERROR TRANSPORT INIT 197   P S  It may be related to Known Tomcat 6 0 and JDK 1 7 0 02 issues   as I only started getting it after upgrading from JDK 1 7 0 to 1 7 0 update 2  with no other upgrades to other software   I am running    Eclipse Indigo 3 7 JDK 1 7 0 0u2  JDK 7 update 2  Tomcat 6 0 Windows 7 Apache HTTP Server  although not using it yet    When I start Tomcat I started getting this error  but not all the time  Rebooting just now fixed it  Some mornings I come to work without a reboot and it fixes it even though it failed the day before  It s sporadic  To debug this I need to understand  Can you help explain it   EDIT   I have two Tomcat servers  for two different projects  on the same port  The other  first  server is  stopped  but remains  synchronized   in case this matters  I ve quickly tried changing all the ports up one  8080 to 8081  and the error reproduces  This may not be a proper test of changing ports  however   EDIT 2  I just had this problem  and rebooting  fixed  the issue  The workstation was on all weekend and Tomcat worked on Friday and Eclipse was shutdown at the end of the day  I will keep taking notes like this as I run into it to remove guesswork   EDIT 3  Today it gave me this error from an unrebooted system that worked yesterday  programs shut down yesterday and restarted today  I rebooted  and the error is gone  Most notably is that the error always occurs at 23  compilation  It hits 23   waits a bit and this is when I know it won t succeed  and then popups a window  I ll capture what the window says next time  Then it gives the above error to the Console   EDIT 4  I am running Windows 7 and Apache HTTP Server  although not using it yet   I ll add these to the list above   EDIT 5  The popup window mentioned in edit  3 is  and note my Tomcat is named Server Tomcat v6 0 Server at localhost    Problem Occurred   Server Tomcat v6 0 Server at localhost  has encountered a problem   Server Tomcat v6 0 Server at localhost  failed to start   OK  lt  lt  Details  Server Tomcat v6 0 Server at localhost  failed to start    EDIT 6  I just got a new problem  which is Cannot connect to VM com sun jdi connect TransportTimeoutException popup window error and the same main error that this question asks about in the Console window   EDIT 7  Just restarting Eclipse  not rebooting the whole computer  solved the error this morning

User · Answer

I was getting the same error when i switched to STS version 3.8.3 And imported my entire workspace to the new STS.

Apparently the "Boot Spring App" instance was defective. (i run from STS)

If this is your problem, Simply create the Boot run configuration again.

User · Answer

This error mostly comes when we forcefully kill the weblogic server   kill -9 process id    so before restart kindly check all the ports status which weblogic using e g  http port   DEBUG PORT etc by using this command to see which whether this port is active or not   netstat    an   grep   Admin  7001 or something  Managed server- 7002  7003 etc  eg  netstat    an   grep 7001  If it returns value then  option 1  wait for some time  so that background process can release the port option 2  execute stopweblogic sh Option 3  Bounce the server host or restart the system   My issue was resolved by option 2

User · Answer

Does your HOSTS file have an entry for localhost  Some other situations this error is seen in seem to have this as a problem resolution   Make sure you have 127 0 0 1 localhost set in it      from this and this

User · Answer

This error typically comes up when the necessary port is taken by another program   You said that you have changed the HTTP connector port from 8080 to 8081 so the two Tomcats do not clash  but have you also changed the  lt Server port       in tomcat conf server xml to be different between your Tomcats   Are there any other connectors ports which may possibly clash

User · Answer

EDIT these lines in host file and it should work    Host file usually located in C  Windows System32 drivers etc hosts    1             localhost localdomain localhost 127 0 0 1       localhost

User · Answer

I had the same problem in Catalina sh of my tomcat for JPDA Options   JPDA OPTS  -agentlib jdwp transport  JPDA TRANSPORT address  JPDA ADDRESS server y suspend  JPDA SUSPEND   After removing JPDA option from my command to start the Tomcat server  I was able to start the server on local environment

User · Answer

I set 127 0 0 1 localhost  and solve this problem

User · Answer

In my project I had the same error  I restarted Tomcat and it worked  withtout killing the java process

User · Answer

In case you are working with environments or docker images you can really change  etc host I recommend just changing the binding from star to 0 0 0 0   So  basing on my case for instance  instead of   -agentlib jdwp transport dt socket server y suspend n address   5005    You would define it as   -agentlib jdwp transport dt socket server y suspend n address 0 0 0 0 5005

User · Answer

if your JVM Cli is  -agentlib jdwp transport dt socket address 60000 server n suspend n and JDK version is 7  change  server n  to  server y  will be OK

User · Answer

Encountered this issue and changing the debug port helped  For some reason  the debug port had to be greater than the app port

User · Answer

Check whether your config string is okay   Xrunjdwp transport dt socket server y suspend n address 9999   I just had this issue today  and in my case it was because there was an invisible character in the jpda config parameter    To be precise  I had dos line endings in my setenv sh file on tomcat  causing a carriage-return character right after  dt socket

User · Answer

I had the same problem because I set the following in Catalina sh of my tomcat   JAVA OPTS   JAVA OPTS -Xdebug -Xnoagent -Djava compiler NONE -Xrunjdwp transport dt socket server y suspend n address 9999     After removing it  my tomcat worked well   Hope help you

User · Answer

Encountered this  all I did was to kill all the java process Task Manager  and run again  It worked

User · Answer

Change control panel Java s option about proxy to  direct   change window s internet option to not use proxy and reboot  It worked for me

[eclipse] FATAL ERROR in native method: JDWP No transports initialized, jvmtiError=AGENT_ERROR_TRANSPORT_INIT(197)

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