Develop Reference

Karaf command not found exception how to troubleshoot?

Downloaded karaf 4.0.9 just following getting started doc but keep getting this
org.apache.felix.gogo.runtime.CommandNotFoundException: Command not found: feature:install
whenever i try to do feature:install wrapper from shell
Finding it very difficult to find any help or doc how to trouble shoot? is it a permissions thing? I chowned everything to the same user for simplicity...
Is distribution missing a library? Where do i get it/put it?
New to karaf... Following this: http://karaf.apache.org/manual/latest/#_installation
Just trying to get some basic JDBC/JMS stuff working, install drivers, recieve some msgs, query db, etc

Spent a few hours of reading docs + trial and error to figure this out:
ssh karaf#localhost -p 8101
Will get you full admin shell, apparently this isn't available if you just ./shell from KARAF_HOME/bin

You can check your configurations in users.properties in karaf/etc folder .
Open karaf shell using admin rights.
Start Karaf shell from its bin folder.
Now run karaf console using below command.
ssh username#localhost -p8101
now you can run any command of karaf shell.

How to run simple jdbc connection program through cmd

Below approach I tried to run and compil
for compile:
javac -cp "C:\Program Files\Java\jdk1.7.0_45\bin;D:\oracle\product\10.2.0\db_1\jdbc\lib\ojdbc.jar" OracleTest.java
for execution:
java -cp "C:\Program Files\Java\jdk1.7.0_45\bin;D:\oracle\product\10.2.0\db_1\jdbc\lib\ojdbc.jar;." OracleTest
java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver

The JDBC drivers from oracle usually include a (Java) version number in the name like ojdbc14.jar or ojdbc7.jar. I do not have Oracle installed here, so please check the correct name in your directory D:\oracle\product\10.2.0\db_1\jdbc\lib\.
You can test my DBTester program I wrote a long time ago from here. After downloading the jar - eventually you need to rename DBTester.jar.zip to DBTester.jar - just execute it in the directory you saved the jar:
java -cp "DBTester.jar;D:\oracle\product\10.2.0\db_1\jdb‌​c\lib\ojdbc7.jar" cfh.dbtester.Main -d
(assuming the ojdbc7.jar is the driver file and using Java 7 or later)
This should print a summary for some drivers, including the Oracle one, like
java.lang.ClassNotFoundException: sun.jdbc.odbc.JdbcOdbcDriver
java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
...
java.lang.ClassNotFoundException: com.ingres.jdbc.IngresDriver
oracle.jdbc.driver.OracleDriver OK
the last line is telling me that I have the OracleDriver available.
Note: DBTester.jar creates a file named dbtester.log with its results.

Can you try with this?
"%JAVA_HOME%\bin\java.exe" -cp "%~dp0\ojdbc.jar" OracleTest.java
Important thing to note here is to have the JAR file at the same location as of your JAVA class that you want to compile/execute and accordingly change the command.
Hope this helps!

HSQL SQLTool cant connect

I get the following:
java -jar ./sqltool/sqltool.jar inlineRc=url=jdbc:hsqldb:hsql://192.168.99.100/test,user=sa
Please enter password for sa!:
SqlTool v. 5337.
Can't connect to jdbc:hsqldb:hsql://192.168.99.100/test for user "org.hsqldb.jdbc.JDBCDriver"!
Reason: org.hsqldb.jdbc.JDBCDriver
I am using sqltool.jar in version 2.3.3. Anybody got a workaround or explaination?

Running SQLTool in this manner requires the hsqldb.jar to be in the same directory as the sqltool.jar.
The error message indicates it cannot find the HSQLDB's JDBC driver, which is in the hsqldb.jar.

Minecraft Custom Launcher 1.7.10 no lwggl in java.library.path

I'm trying to create my custom C# minecraft launcher but I have this error.
I created a launcher.bat file first in order to solve this problem quicker.
I have this code to start minecraft:
java
-Djava.library.path=C:\Users\Davide\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl-platform\2.9.1\
-cp
C:\Users\Davide\AppData\Roaming\.minecraft\versions\1.7.10\1.7.10.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\java3d\vecmath\1.3.1\vecmath-1.3.1.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\net\sf\trove4j\trove4j\3.0.3\trove4j-3.0.3.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\com\ibm\icu\icu4j-core-mojang\51.2\icu4j-core-mojang-51.2.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\net\sf\jopt-simple\jopt-simple\4.5\jopt-simple-4.5.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\com\paulscode\codecjorbis\20101023\codecjorbis-20101023.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\com\paulscode\codecwav\20101023\codecwav-20101023.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\com\paulscode\libraryjavasound\20101123\libraryjavasound-20101123.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\com\paulscode\librarylwjglopenal\20100824\librarylwjglopenal-20100824.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\com\paulscode\soundsystem\20120107\soundsystem-20120107.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\io\netty\netty-all\4.0.10.Final\netty-all-4.0.10.Final.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\com\google\guava\guava\15.0\guava-15.0.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\org\apache\commons\commons-lang3\3.1\commons-lang3-3.1.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\commons-io\commons-io\2.4\commons-io-2.4.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput\2.0.5\jinput-2.0.5.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\net\java\jutils\jutils\1.0.0\jutils-1.0.0.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\com\google\code\gson\gson\2.2.4\gson-2.2.4.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\com\mojang\authlib\1.5.21\authlib-1.5.21.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-api\2.0-beta9\log4j-api-2.0-beta9.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\org\apache\logging\log4j\log4j-core\2.0-beta9\log4j-core-2.0-beta9.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl\2.9.1\lwjgl-2.9.1.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl_util\2.9.1\lwjgl_util-2.9.1.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl-platform\2.9.1\lwjgl-platform-2.9.1-natives-windows.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\net\java\jinput\jinput-platform\2.0.5\jinput-platform-2.0.5-natives-windows.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch\5.16\twitch-5.16.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch-platform\5.16\twitch-platform-5.16-natives-windows-64.jar;
C:\Users\Davide\AppData\Roaming\.minecraft\libraries\tv\twitch\twitch-external-platform\4.5\twitch-external-platform-4.5-natives-windows-64.jar;
net.minecraft.client.main.Main
--username MYUSERNAME
--accessToken MYACCESSTOKEN
--version 1.7.10
--gameDir C:\Users\Davide\AppData\Roaming\.minecraft
--assetsDir C:\Users\Davide\AppData\Roaming\.minecraft\assets
--userProperties {}
--uuid MYUUID
But when i start it says Exception in thread "main" java.lang.UnsatisfiedLinkError: no lwjgl in java.library.path.
I found on the internet that's a problem of this line
-Djava.library.path=C:\Users\Davide\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl-platform\2.9.1\
But I double checked the path is correct.
Thank you in advance.
EDIT
I solved this problem easily taking out this from the arguments:
-Djava.library.path=C:\Users\Davide\AppData\Roaming\.minecraft\libraries\org\lwjgl\lwjgl\lwjgl-platform\2.9.1\
And putting al the DLL's in the local folder, i can't still access them with the full path though

Ok i found the answer. I had to use the local path and not the absolute one

sqlj runtime error

Could somebody tell me what is causing this error when using sqlj in Oracle 11g. I am using Solaris 8 and I have tried changing JDK versions (tried both 1.5 and 1.6).
bash-2.03$ ~/11.2.0.2/bin/sqlj -compile=false -classpath '~/11.2.0.2/sqlj/lib/translator.jar:~/11.2.0.2/sqlj/lib/runtime12.jar'
Exception in thread "main" java.lang.NoClassDefFoundError: sqlj/runtime/profile/DefaultLoader
at sqlj.tools.Sqlj.resetStaticVariables(Sqlj.java:2905)
at sqlj.tools.Sqlj.statusMain(Sqlj.java:189)
at sqlj.tools.Sqlj.main(Sqlj.java:150)
The same command works fine with Oracle 10g:
bash-2.03$ ~/10.2.0.3/bin/sqlj -compile=false -classpath '~/10.2.0.3/sqlj/lib/translator.jar::~/10.2.0.3/sqlj/lib/runtime12.jar'
Error: This SQLJ runtime must be run under an Oracle JDBC driver.
Thanks,
Raj

According to this site the runtime12.jar should contain this class - so the question is - did you try running ls ~/11.2.0.2/sqlj/lib/runtime12.jar to verify the path exists?