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  1. #1

    Default JSON INPUT

    Hai, Cannot modify a property of a sealed object: toJSONString. (<Unknown source>#526) in <Unknown source> at line number 526

    We failed to initialize at least one step. Execution can not begin!I am running the transformation using java. In my transformation, I have using JSON INPUT while running the transformation. I am facing this issue. Please help me to resolve this. I missed any thing ?

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  2. #2


    I think there is an array object which is considered asJSON string in the JSON input , can you post the input path screenshot, which will help me to resolve the issue.

  3. #3


    I made some mistake. While running the transformation I am used the Pentaho 6.1 but in java application the jar version Pentaho is mentioned Now this issue gets resolved.

    Thanks, saianupkumarp.

  4. #4


    Hi, Am getting the same issue. But its working on one env but failing on other. Both have same 5.2 version of pentaho.. Only java version is different. Both uses Java 7 but different subversion of java. Will it make any difference ?

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