com.jayway.jsonpath.InvalidPathException: Failed to parse SliceOperation: :

Pentaho BI Platform Tracking | Carlos Russo | 1 year ago
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  1. 0

    The JsonPath specification allows looping over the items in an array via the slice operator [start:end:step] Looping over all items can either be achieved by using [:] or [*] PDI currently fails to recognize the syntax [:], but recognizes [0:] Take the JSON object {code} {"roles":["A","B","C"]} {code} Using $.roles[*] or $.roles[0:] to extract the values works as expected, but attempting to parse $.roles[:] leads to the following exception: {quote} 2016/05/09 12:36:00 - $.roles[:].0 - ERROR (version 7.0-SNAPSHOT, build 1 from 2016-03-28 23.32.40 by buildguy) : Error initializing step [$.roles[:]] 2016/05/09 12:36:00 - $.roles[:].0 - ERROR (version 7.0-SNAPSHOT, build 1 from 2016-03-28 23.32.40 by buildguy) : com.jayway.jsonpath.InvalidPathException: Failed to parse SliceOperation: : 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.ArraySliceOperation.parse(ArraySliceOperation.java:70) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.PathCompiler.readArrayToken(PathCompiler.java:332) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.PathCompiler.readNextToken(PathCompiler.java:105) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.PathCompiler.readPropertyOrFunctionToken(PathCompiler.java:175) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.PathCompiler.readNextToken(PathCompiler.java:117) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.PathCompiler.readDotToken(PathCompiler.java:137) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.PathCompiler.readNextToken(PathCompiler.java:111) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.PathCompiler.readContextToken(PathCompiler.java:90) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.PathCompiler.compile(PathCompiler.java:42) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.PathCompiler.compile(PathCompiler.java:57) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.JsonPath.<init>(JsonPath.java:101) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.JsonPath.compile(JsonPath.java:467) 2016/05/09 12:36:00 - $.roles[:].0 - at org.pentaho.di.trans.steps.jsoninput.reader.FastJsonReader.compilePaths(FastJsonReader.java:129) 2016/05/09 12:36:00 - $.roles[:].0 - at org.pentaho.di.trans.steps.jsoninput.reader.FastJsonReader.<init>(FastJsonReader.java:78) 2016/05/09 12:36:00 - $.roles[:].0 - at org.pentaho.di.trans.steps.jsoninput.reader.FastJsonReader.<init>(FastJsonReader.java:83) 2016/05/09 12:36:00 - $.roles[:].0 - at org.pentaho.di.trans.steps.jsoninput.JsonInput.createReader(JsonInput.java:429) 2016/05/09 12:36:00 - $.roles[:].0 - at org.pentaho.di.trans.steps.jsoninput.JsonInput.init(JsonInput.java:89) 2016/05/09 12:36:00 - $.roles[:].0 - at org.pentaho.di.trans.steps.fileinput.BaseFileInputStep.init(BaseFileInputStep.java:127) 2016/05/09 12:36:00 - $.roles[:].0 - at org.pentaho.di.trans.step.StepInitThread.run(StepInitThread.java:69) 2016/05/09 12:36:00 - $.roles[:].0 - at java.lang.Thread.run(Thread.java:745) {quote}

    Pentaho BI Platform Tracking | 1 year ago | Carlos Russo
    com.jayway.jsonpath.InvalidPathException: Failed to parse SliceOperation: :
  2. 0

    The JsonPath specification allows looping over the items in an array via the slice operator [start:end:step] Looping over all items can either be achieved by using [:] or [*] PDI currently fails to recognize the syntax [:], but recognizes [0:] Take the JSON object {code} {"roles":["A","B","C"]} {code} Using $.roles[*] or $.roles[0:] to extract the values works as expected, but attempting to parse $.roles[:] leads to the following exception: {quote} 2016/05/09 12:36:00 - $.roles[:].0 - ERROR (version 7.0-SNAPSHOT, build 1 from 2016-03-28 23.32.40 by buildguy) : Error initializing step [$.roles[:]] 2016/05/09 12:36:00 - $.roles[:].0 - ERROR (version 7.0-SNAPSHOT, build 1 from 2016-03-28 23.32.40 by buildguy) : com.jayway.jsonpath.InvalidPathException: Failed to parse SliceOperation: : 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.ArraySliceOperation.parse(ArraySliceOperation.java:70) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.PathCompiler.readArrayToken(PathCompiler.java:332) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.PathCompiler.readNextToken(PathCompiler.java:105) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.PathCompiler.readPropertyOrFunctionToken(PathCompiler.java:175) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.PathCompiler.readNextToken(PathCompiler.java:117) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.PathCompiler.readDotToken(PathCompiler.java:137) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.PathCompiler.readNextToken(PathCompiler.java:111) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.PathCompiler.readContextToken(PathCompiler.java:90) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.PathCompiler.compile(PathCompiler.java:42) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.internal.path.PathCompiler.compile(PathCompiler.java:57) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.JsonPath.<init>(JsonPath.java:101) 2016/05/09 12:36:00 - $.roles[:].0 - at com.jayway.jsonpath.JsonPath.compile(JsonPath.java:467) 2016/05/09 12:36:00 - $.roles[:].0 - at org.pentaho.di.trans.steps.jsoninput.reader.FastJsonReader.compilePaths(FastJsonReader.java:129) 2016/05/09 12:36:00 - $.roles[:].0 - at org.pentaho.di.trans.steps.jsoninput.reader.FastJsonReader.<init>(FastJsonReader.java:78) 2016/05/09 12:36:00 - $.roles[:].0 - at org.pentaho.di.trans.steps.jsoninput.reader.FastJsonReader.<init>(FastJsonReader.java:83) 2016/05/09 12:36:00 - $.roles[:].0 - at org.pentaho.di.trans.steps.jsoninput.JsonInput.createReader(JsonInput.java:429) 2016/05/09 12:36:00 - $.roles[:].0 - at org.pentaho.di.trans.steps.jsoninput.JsonInput.init(JsonInput.java:89) 2016/05/09 12:36:00 - $.roles[:].0 - at org.pentaho.di.trans.steps.fileinput.BaseFileInputStep.init(BaseFileInputStep.java:127) 2016/05/09 12:36:00 - $.roles[:].0 - at org.pentaho.di.trans.step.StepInitThread.run(StepInitThread.java:69) 2016/05/09 12:36:00 - $.roles[:].0 - at java.lang.Thread.run(Thread.java:745) {quote}

    Pentaho BI Platform Tracking | 1 year ago | Carlos Russo
    com.jayway.jsonpath.InvalidPathException: Failed to parse SliceOperation: :
  3. 0

    Values with spaces not working

    GitHub | 5 months ago | ammar-khan
    com.jayway.jsonpath.InvalidPathException: Use bracket notion ['my prop'] if your property contains blank characters. position: 51
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  5. 0

    Not working with single array element

    GitHub | 5 months ago | ammar-khan
    com.jayway.jsonpath.InvalidPathException: Could not parse token starting at position 31. Expected ?, ', 0-9, *
  6. 0

    Hydrator: JSON Parser Issue!

    Google Groups | 3 months ago | Girish Kumar
    java.lang.Exception: java.lang.RuntimeException: java.lang.RuntimeException: java.lang.RuntimeException: com.jayway.jsonpath.InvalidPathException: Could not parse token starting at position 1. Expected ?, ', 0-9, *
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Root Cause Analysis

  1. com.jayway.jsonpath.InvalidPathException

    Failed to parse SliceOperation: :

    at com.jayway.jsonpath.internal.path.ArraySliceOperation.parse()
  2. com.jayway.jsonpath
    PathCompiler.compile
    1. com.jayway.jsonpath.internal.path.ArraySliceOperation.parse(ArraySliceOperation.java:70)
    2. com.jayway.jsonpath.internal.path.PathCompiler.readArrayToken(PathCompiler.java:332)
    3. com.jayway.jsonpath.internal.path.PathCompiler.readNextToken(PathCompiler.java:105)
    4. com.jayway.jsonpath.internal.path.PathCompiler.readPropertyOrFunctionToken(PathCompiler.java:175)
    5. com.jayway.jsonpath.internal.path.PathCompiler.readNextToken(PathCompiler.java:117)
    6. com.jayway.jsonpath.internal.path.PathCompiler.readDotToken(PathCompiler.java:137)
    7. com.jayway.jsonpath.internal.path.PathCompiler.readNextToken(PathCompiler.java:111)
    8. com.jayway.jsonpath.internal.path.PathCompiler.readContextToken(PathCompiler.java:90)
    9. com.jayway.jsonpath.internal.path.PathCompiler.compile(PathCompiler.java:42)
    10. com.jayway.jsonpath.internal.path.PathCompiler.compile(PathCompiler.java:57)
    10 frames
  3. Json Path
    JsonPath.compile
    1. com.jayway.jsonpath.JsonPath.<init>(JsonPath.java:101)
    2. com.jayway.jsonpath.JsonPath.compile(JsonPath.java:467)
    2 frames
  4. org.pentaho.di
    StepInitThread.run
    1. org.pentaho.di.trans.steps.jsoninput.reader.FastJsonReader.compilePaths(FastJsonReader.java:129)
    2. org.pentaho.di.trans.steps.jsoninput.reader.FastJsonReader.<init>(FastJsonReader.java:78)
    3. org.pentaho.di.trans.steps.jsoninput.reader.FastJsonReader.<init>(FastJsonReader.java:83)
    4. org.pentaho.di.trans.steps.jsoninput.JsonInput.createReader(JsonInput.java:429)
    5. org.pentaho.di.trans.steps.jsoninput.JsonInput.init(JsonInput.java:89)
    6. org.pentaho.di.trans.steps.fileinput.BaseFileInputStep.init(BaseFileInputStep.java:127)
    7. org.pentaho.di.trans.step.StepInitThread.run(StepInitThread.java:69)
    7 frames
  5. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:745)
    1 frame