java.lang.NullPointerException

MuleSoft JIRA | Mariano Gonzalez | 1 year ago
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  1. 0

    The following log is obtained from a misconfigured file:list operation: {code} ERROR 2016-01-15 14:34:43,672 [[ftp-app].ftp-appFlow.stage1.02] org.mule.exception.DefaultMessagingExceptionStrategy: ******************************************************************************** Message : null. Payload : Element : /ftp-appFlow/processors/0 @ ftp-app -------------------------------------------------------------------------------- [2:35] ERROR 2016-01-15 14:34:55,674 [[ftp-app].ftp-appFlow.stage1.02] org.mule.exception.DefaultMessagingExceptionStrategy: ******************************************************************************** Message : null. Payload : Element : /ftp-appFlow/processors/0 @ ftp-app -------------------------------------------------------------------------------- Root Exception stack trace: java.lang.NullPointerException at sun.nio.fs.UnixPath.normalizeAndCheck(UnixPath.java:77) at sun.nio.fs.UnixPath.<init>(UnixPath.java:71) at sun.nio.fs.UnixFileSystem.getPath(UnixFileSystem.java:281) at sun.nio.fs.AbstractPath.resolve(AbstractPath.java:53) {code} Error message should be friendlier and more descriptive about the problem that actually happened. The configuration that generated this is: {code:xml} <?xml version="1.0" encoding="UTF-8"?> ​ <mule xmlns:file="http://www.mulesoft.org/schema/mule/file" xmlns="http://www.mulesoft.org/schema/mule/core" xmlns:doc="http://www.mulesoft.org/schema/mule/documentation" xmlns:spring="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-current.xsd http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd http://www.mulesoft.org/schema/mule/file http://www.mulesoft.org/schema/mule/file/current/mule-file.xsd"> <file:config name="File_Connector_config" baseDir="/Users/pablocabrera/dev/connectors/connector-name-connector" doc:name="File Connector config"/> <flow name="ftp-appFlow"> <poll doc:name="Poll"> <logger message="Started Flow" level="INFO" doc:name="Logger"/> </poll> <file:list config-ref="File_Connector_config" doc:name="File Connector"/> <logger message="#[payload]" level="INFO" doc:name="Logger"/> </flow> </mule> {code}

    MuleSoft JIRA | 1 year ago | Mariano Gonzalez
    java.lang.NullPointerException
  2. 0

    The following log is obtained from a misconfigured file:list operation: {code} ERROR 2016-01-15 14:34:43,672 [[ftp-app].ftp-appFlow.stage1.02] org.mule.exception.DefaultMessagingExceptionStrategy: ******************************************************************************** Message : null. Payload : Element : /ftp-appFlow/processors/0 @ ftp-app -------------------------------------------------------------------------------- [2:35] ERROR 2016-01-15 14:34:55,674 [[ftp-app].ftp-appFlow.stage1.02] org.mule.exception.DefaultMessagingExceptionStrategy: ******************************************************************************** Message : null. Payload : Element : /ftp-appFlow/processors/0 @ ftp-app -------------------------------------------------------------------------------- Root Exception stack trace: java.lang.NullPointerException at sun.nio.fs.UnixPath.normalizeAndCheck(UnixPath.java:77) at sun.nio.fs.UnixPath.<init>(UnixPath.java:71) at sun.nio.fs.UnixFileSystem.getPath(UnixFileSystem.java:281) at sun.nio.fs.AbstractPath.resolve(AbstractPath.java:53) {code} Error message should be friendlier and more descriptive about the problem that actually happened. The configuration that generated this is: {code:xml} <?xml version="1.0" encoding="UTF-8"?> ​ <mule xmlns:file="http://www.mulesoft.org/schema/mule/file" xmlns="http://www.mulesoft.org/schema/mule/core" xmlns:doc="http://www.mulesoft.org/schema/mule/documentation" xmlns:spring="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-current.xsd http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd http://www.mulesoft.org/schema/mule/file http://www.mulesoft.org/schema/mule/file/current/mule-file.xsd"> <file:config name="File_Connector_config" baseDir="/Users/pablocabrera/dev/connectors/connector-name-connector" doc:name="File Connector config"/> <flow name="ftp-appFlow"> <poll doc:name="Poll"> <logger message="Started Flow" level="INFO" doc:name="Logger"/> </poll> <file:list config-ref="File_Connector_config" doc:name="File Connector"/> <logger message="#[payload]" level="INFO" doc:name="Logger"/> </flow> </mule> {code}

    MuleSoft JIRA | 1 year ago | Mariano Gonzalez
    java.lang.NullPointerException
  3. 0

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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at sun.nio.fs.UnixPath.normalizeAndCheck()
  2. Java RT
    AbstractPath.resolve
    1. sun.nio.fs.UnixPath.normalizeAndCheck(UnixPath.java:77)
    2. sun.nio.fs.UnixPath.<init>(UnixPath.java:71)
    3. sun.nio.fs.UnixFileSystem.getPath(UnixFileSystem.java:281)
    4. sun.nio.fs.AbstractPath.resolve(AbstractPath.java:53)
    4 frames