Can not start formspider IDE

Dear support team,

Today suddenly I could not start formspider IDE, it was runnig well yesterday. I've got the following log:

Mei 17, 2015 4:57:50 PM org.apache.catalina.core.AprLifecycleListener init INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files (x86)\Java\jre1.8.0_25\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\app\Admin\product\11.2.0\client\bin;C:\Oracle\product\12.1.0\dbhome_1\bin;C:\ProgramData\Oracle\Java\javapath;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program;C:\Program Files (x86)\Java\jdk1.8.0_25\bin;C:\Program Files (x86)\Windows Kits\8.1\Windows Performance Toolkit\;c:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\;c:\Program Files (x86)\Microsoft SQL Server\100\DTS\Binn\;c:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\VSShell\Common7\IDE\;c:\Program Files (x86)\Microsoft Visual Studio 9.0\Common7\IDE\PrivateAssemblies\;C:\Program Files (x86)\IDM Computer Solutions\UltraEdit\;/home/sg/Gerger/FormspiderServer2/Git/bin;C:\Program Files (x86)\Gerger\FormspiderServer\Git\bin;. Mei 17, 2015 4:57:50 PM org.apache.coyote.http11.Http11Protocol init INFO: Initializing Coyote HTTP/1.1 on http-8080 Mei 17, 2015 4:57:50 PM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 295 ms Mei 17, 2015 4:57:50 PM org.apache.catalina.core.StandardService start INFO: Starting service Catalina Mei 17, 2015 4:57:50 PM org.apache.catalina.core.StandardEngine start INFO: Starting Servlet Engine: Apache Tomcat/6.0.29 Mei 17, 2015 4:57:50 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor formspider.xml Mei 17, 2015 4:57:50 PM org.apache.catalina.loader.WebappClassLoader validateJarFile INFO: validateJarFile(C:\Program Files (x86)\Gerger\FormspiderServer\apache-tomcat-6.0.29\webapps\formspider\WEB-INF\lib\servlet-api.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class Mei 17, 2015 4:57:51 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor host-manager.xml Mei 17, 2015 4:57:51 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor manager.xml Mei 17, 2015 4:57:51 PM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deploying web application directory docs Mei 17, 2015 4:57:51 PM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deploying web application directory examples Mei 17, 2015 4:57:51 PM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deploying web application directory ROOT Mei 17, 2015 4:57:51 PM org.apache.coyote.http11.Http11Protocol start INFO: Starting Coyote HTTP/1.1 on http-8080 Mei 17, 2015 4:57:51 PM org.apache.jk.common.ChannelSocket init INFO: JK: ajp13 listening on /0.0.0.0:8009 Mei 17, 2015 4:57:51 PM org.apache.jk.server.JkMain start INFO: Jk running ID=0 time=0/14 config=null Mei 17, 2015 4:57:51 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 890 ms

What is the problem? How can I fix it?

Thanks for your support.

Best Regards. Suputra