A class is not available on the classpath or the class loader is closed

We found this prefix in 6524 webpages.
MapChildren (104)Typical messages (3632)TraceDetailed Map
  1. java.lang.ClassNotFoundException
    1.   at java.net.URLClassLoader$1.run()
    2.   at java.security.AccessController.doPrivileged()
    3.   at java.net.URLClassLoader.findClass()
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  1. ClassNotFoundException

    Crashes:7,567
    Projects:0
    Web Pages:6,023
    Error Reports:0
    First:10 months ago
    Last:6 months ago
    preview
  2. ClassNotFoundException

    Crashes:132
    Projects:0
    Web Pages:53
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  3. ClassNotFoundException

    Crashes:117
    Projects:0
    Web Pages:97
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  4. ClassNotFoundException

    Crashes:59
    Projects:0
    Web Pages:50
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  5. ClassNotFoundException

    Crashes:56
    Projects:0
    Web Pages:39
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  6. ClassNotFoundException

    Crashes:51
    Projects:0
    Web Pages:13
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  7. ClassNotFoundException

    Crashes:43
    Projects:0
    Web Pages:30
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  8. ClassNotFoundException

    Crashes:39
    Projects:0
    Web Pages:37
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  9. ClassNotFoundException

    Crashes:37
    Projects:0
    Web Pages:16
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  10. Hadoop 0.23.1 Release Notes

    First:2 years ago
    Last:2 years ago
  11. ClassNotFoundException

    Crashes:20
    Projects:0
    Web Pages:17
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  12. ClassNotFoundException

    Crashes:14
    Projects:0
    Web Pages:13
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  13. ClassNotFoundException

    Crashes:14
    Projects:0
    Web Pages:14
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  14. ClassNotFoundException

    Crashes:13
    Projects:0
    Web Pages:10
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  15. Can't open SQL window for a Oracle connection

    First:13 years ago
    Last:2 years ago
    Author:*anonymous
  16. SPECjAppServer-JOnAS - SDQ Wiki

    First:3 years ago
    Last:3 years ago
  17. ClassNotFoundException

    Crashes:8
    Projects:0
    Web Pages:8
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  18. ClassNotFoundException

    Crashes:8
    Projects:0
    Web Pages:7
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  19. ClassNotFoundException

    Crashes:7
    Projects:0
    Web Pages:5
    Error Reports:0
    First:7 months ago
    Last:7 months ago
    preview
  20. ClassNotFoundException

    Crashes:7
    Projects:0
    Web Pages:7
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  21. ClassNotFoundException

    Crashes:6
    Projects:0
    Web Pages:3
    Error Reports:0
    First:5 months ago
    Last:5 months ago
    preview
  22. problem seam+tomcat+jboss-embedded

    First:8 years ago
    Last:2 years ago
    Author:bruno duarte
  23. EJBCA INSTALLATION FAILS 3.10.3

    First:8 years ago
    Last:2 years ago
    Author:stenneti
  24. TomEE Users - tomee + eclipselink => NoClassDefFoundError/ClassNotFoundException

    First:2 years ago
    Last:2 years ago
  25. ClassNotFoundException

    Crashes:5
    Projects:0
    Web Pages:5
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  26. ClassNotFoundException

    Crashes:5
    Projects:0
    Web Pages:3
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  27. ClassNotFoundException

    Crashes:5
    Projects:0
    Web Pages:5
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  28. SOA WebLogic Admin & SOA server Error

    First:7 years ago
    Last:2 years ago
    Author:847049
  29. SolrException

    Crashes:4
    Projects:0
    Web Pages:2
    Error Reports:0
    First:5 months ago
    Last:5 months ago
    preview
  30. RuntimeException

    Crashes:4
    Projects:0
    Web Pages:4
    Error Reports:0
    First:3 weeks ago
    Last:3 weeks ago
    preview
  31. maven-jetty-plugin throws a ClassNotFoundException

    First:8 years ago
    Last:2 years ago
    Author:Christian Müller
    Site:Apache's JIRA Issue Tracker
    http://issues.apache.org/jira/browse/MNG-4567
  32. Runnging application client as web start

    First:6 years ago
    Last:2 years ago
    Author:haleh
  33. [mule-user] Error - Oracle AQ

    First:7 years ago
    Last:1 year ago
    Author:Ravivvarman Periasamy
  34. Re: Release troubles

    First:13 years ago
    Last:2 years ago
    Author:Michael Becke
  35. Problems with java.lang.ClassNotFoundException

    First:9 years ago
    Last:3 years ago
    Author:Joakim Sjöberg
  36. Re: need help on merge tool in sqoop

    First:6 years ago
    Last:2 years ago
    Author:chelikani narasimharao
  37. Encountering ClassNotFoundException (java.lang.ClassNotFoundException: org.apache.jasper.servlet.JspServlet) with Selenium 2.1.0 and Selenium 2.0.0

    First:7 years ago
    Last:3 years ago
    Author:Krishnan
  38. ClassNotFoundException

    Crashes:3
    Projects:0
    Web Pages:3
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  39. [mule-user] ClassNotFoundException DecoratingAnnotatedServiceProcessor after migration

    First:7 years ago
    Last:1 year ago
    Author:Ernst Leeuwenkamp
  40. ClassNotFoundException

    Crashes:3
    Projects:0
    Web Pages:3
    Error Reports:0
    First:10 months ago
    Last:8 months ago
    preview
  41. IPM server start fails with ClassNotFound

    First:6 years ago
    Last:2 years ago
    Author:949199
  42. ClassNotFoundException

    Crashes:3
    Projects:0
    Web Pages:2
    Error Reports:0
    First:7 months ago
    Last:7 months ago
    preview
  43. Release troubles

    First:13 years ago
    Last:2 years ago
    Author:Michael Becke
  44. [mule-user] Difficulty passing message to cxf:jaxws-client

    First:7 years ago
    Last:1 year ago
    Author:Adam Haapala
  45. Getting issue in tomcat 7 but worked on tomcat 5. (Failed to start component )

    First:5 years ago
    Last:3 years ago
    Author:VJS
  46. Lotus notes webaccess: Java class PermissionID missing

    First:13 years ago
    Last:1 year ago
    Author:Jan Schulz
  47. Mule - User - Difficulty passing message to cxf:jaxws-client

    First:3 years ago
    Last:3 years ago
  48. ClassNotFoundException

    Crashes:2
    Projects:0
    Web Pages:2
    Error Reports:0
    First:3 weeks ago
    Last:3 weeks ago
    preview
  49. NoClassDefFoundError

    Crashes:2
    Projects:0
    Web Pages:2
    Error Reports:0
    First:2 weeks ago
    Last:2 weeks ago
    preview
  50. [OPENAM-2245] J2EE policy agent for Jetty 7/8 points to non existing class when used in J2EE_POLICY mode - ForgeRock JIRA

    First:3 years ago
    Last:3 years ago
MessageNumber of crashes
<No message>211
com.mysql.jdbc.Driver150
oracle.jdbc.driver.OracleDriver90
org/apache/commons/logging/LogFactory58
org.postgresql.Driver53
com.microsoft.jdbc.sqlserver.SQLServerDriver45
org.apache.commons.logging.LogFactory34
org.gjt.mm.mysql.Driver34
com.sun.tools.javac.Main31
org/slf4j/LoggerFactory29
  1. java.lang.ClassNotFoundException
    1.   at java.net.URLClassLoader$1.run()
    2.   at java.security.AccessController.doPrivileged()
    3.   at java.net.URLClassLoader.findClass()
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