java.lang.NumberFormatException: n

Coderanch | sowjan kumar | 1 decade ago
  1. 0

    log4j:ERROR

    Coderanch | 1 decade ago | sowjan kumar
    java.lang.NumberFormatException: n
  2. 0

    Run the first demo GithubRepoPageProcessor post the format exception

    GitHub | 8 months ago | jinyun
    java.lang.NumberFormatException: For input string: " 1 "
  3. 0

    Need help with compiler error

    Oracle Community | 1 decade ago | 807555
    java.lang.NumberFormatException: n
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    Kafka Timeline

    rssing.com | 1 year ago
    java.lang.NumberFormatException: For input string: "wr"
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    record not being inserted, foreign key issue

    Stack Overflow | 3 years ago | hina fatima
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.nearby_places/com.example.nearby_places.MainActivity2}: java.lang.NumberFormatException: Invalid int: "null"

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Root Cause Analysis

  1. java.lang.NumberFormatException

    n

    at java.lang.Integer.parseInt()
  2. Java RT
    Integer.parseInt
    1. java.lang.Integer.parseInt(Integer.java:423)
    2. java.lang.Integer.parseInt(Integer.java:472)
    2 frames
  3. Apache Log4j
    PatternLayout.setConversionPattern
    1. org.apache.log4j.helpers.PatternParser.extractPrecisionOption(PatternParser.java:109)
    2. org.apache.log4j.helpers.PatternParser.finalizeConverter(PatternParser.java:234)
    3. org.apache.log4j.helpers.PatternParser.parse(PatternParser.java:179)
    4. org.apache.log4j.PatternLayout.setConversionPattern(PatternLayout.java:439)
    4 frames
  4. Java RT
    Method.invoke
    1. java.lang.reflect.Method.invoke(Native Method)
    1 frame
  5. Apache Log4j
    PropertyConfigurator.configure
    1. org.apache.log4j.config.PropertySetter.setProperty(PropertySetter.java:196)
    2. org.apache.log4j.config.PropertySetter.setProperty(PropertySetter.java:155)
    3. org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:120)
    4. org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:87)
    5. org.apache.log4j.PropertyConfigurator.parseAppender(PropertyConfigurator.java:640)
    6. org.apache.log4j.PropertyConfigurator.parseCategory(PropertyConfigurator.java:603)
    7. org.apache.log4j.PropertyConfigurator.configureRootCategory(PropertyConfigurator.java:500)
    8. org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:406)
    9. org.apache.log4j.PropertyConfigurator.configure(PropertyConfigurator.java:340)
    9 frames
  6. com.server.utils
    ControllerServlet.init
    1. com.server.utils.ControllerServlet.init(ControllerServlet.java:56)
    1 frame
  7. com.ibm.servlet
    ServletInstance.init
    1. com.ibm.servlet.engine.webapp.StrictServletInstance.doInit(ServletManager.java:802)
    2. com.ibm.servlet.engine.webapp.StrictLifecycleServlet._init(StrictLifecycleServlet.java:141)
    3. com.ibm.servlet.engine.webapp.PreInitializedServletState.init(StrictLifecycleServlet.java:254)
    4. com.ibm.servlet.engine.webapp.StrictLifecycleServlet.init(StrictLifecycleServlet.java:107)
    5. com.ibm.servlet.engine.webapp.ServletInstance.init(ServletManager.java:388)
    5 frames
  8. JavaServlet
    GenericServlet.init
    1. javax.servlet.GenericServlet.init(GenericServlet.java:258)
    1 frame
  9. com.ibm.servlet
    ClassChangeWatcher.classChanged
    1. com.ibm.servlet.engine.webapp.ServletManager.addServlet(ServletManager.java:84)
    2. com.ibm.servlet.engine.webapp.WebAppServletManager.loadServlet(WebAppServletManager.java:193)
    3. com.ibm.servlet.engine.webapp.WebAppServletManager.loadAutoLoadServlets(WebAppServletManager.java:325)
    4. com.ibm.servlet.engine.webapp.WebApp.loadServletManager(WebApp.java:1218)
    5. com.ibm.servlet.engine.webapp.WebApp.init(WebApp.java:145)
    6. com.ibm.servlet.engine.srt.WebGroup.loadWebApp(WebGroup.java:259)
    7. com.ibm.servlet.engine.srt.WebGroup.reload(WebGroup.java:1091)
    8. com.ibm.servlet.engine.srt.ClassChangeWatcher.classChanged(ClassChangeWatcher.java:55)
    8 frames
  10. WebSphere
    ClassLoaderManager$ReloadTimerTask.run
    1. com.ibm.ws.classloader.ClassLoaderManager.checkAndNotify(ClassLoaderManager.java:360)
    2. com.ibm.ws.classloader.ClassLoaderManager.access$100(ClassLoaderManager.java:34)
    3. com.ibm.ws.classloader.ClassLoaderManager$ReloadTimerTask.run(ClassLoaderManager.java:412)
    3 frames
  11. Java RT
    TimerThread.run
    1. java.util.TimerThread.mainLoop(Timer.java:445)
    2. java.util.TimerThread.run(Timer.java:395)
    2 frames