com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null') at [Source: [B@239a4a9e; line: 1, column: 2]

GitHub | mwm-twx | 4 months ago
  1. 0

    JSON parse error while handling error response

    GitHub | 4 months ago | mwm-twx
    com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null') at [Source: [B@239a4a9e; line: 1, column: 2]
  2. 0

    Swagger does not recognize .yml files as YAML

    GitHub | 2 years ago | bklang
    com.fasterxml.jackson.core.JsonParseException: Unexpected character ('-' (code 45)) in numeric value: expected digit (0-9) to follow minus sign, for valid numeric value at [Source: call_recorder/docs/call_recorder_swagger.yml; line: 1, column: 3]
  3. 0

    unknown `format` value causes a NullPointerException

    GitHub | 1 year ago | ePaul
    com.fasterxml.jackson.core.JsonParseException: Unrecognized token 'swagger': was expecting ('true', 'false' or 'null') at [Source: src/main/resources/api/bug-trigger.yaml; line: 1, column: 9]
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  5. 0

    Illegal character ((CTRL-CHAR, code 31))

    GitHub | 3 years ago | fcostaa
    com.fasterxml.jackson.core.JsonParseException: Illegal character ((CTRL-CHAR, code 31)): only regular white space (\r, \n, \t) is allowed between tokens at [Source: buffer(com.squareup.okhttp.internal.http.HttpConnection$FixedLengthSource@a7369258).inputStream(); line: 1, column: 2]
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    Parsing exceptions when reading data from Hosted Graphite

    GitHub | 4 years ago | bilal
    com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null') at [Source: org.apache.http.conn.EofSensorInputStream@7896fb27; line: 1, column: 2]

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Root Cause Analysis

  1. com.fasterxml.jackson.core.JsonParseException

    Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', 'false' or 'null') at [Source: [B@239a4a9e; line: 1, column: 2]

    at com.fasterxml.jackson.core.JsonParser._constructError()
  2. Jackson-core
    UTF8StreamJsonParser.nextToken
    1. com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1581)[jackson-core-2.6.1.jar:2.6.1]
    2. com.fasterxml.jackson.core.base.ParserMinimalBase._reportError(ParserMinimalBase.java:533)[jackson-core-2.6.1.jar:2.6.1]
    3. com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar(ParserMinimalBase.java:462)[jackson-core-2.6.1.jar:2.6.1]
    4. com.fasterxml.jackson.core.json.UTF8StreamJsonParser._handleUnexpectedValue(UTF8StreamJsonParser.java:2610)[jackson-core-2.6.1.jar:2.6.1]
    5. com.fasterxml.jackson.core.json.UTF8StreamJsonParser._nextTokenNotInObject(UTF8StreamJsonParser.java:841)[jackson-core-2.6.1.jar:2.6.1]
    6. com.fasterxml.jackson.core.json.UTF8StreamJsonParser.nextToken(UTF8StreamJsonParser.java:737)[jackson-core-2.6.1.jar:2.6.1]
    6 frames
  3. Jackson
    ObjectMapper.readTree
    1. com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:3742)[jackson-databind-2.6.1.jar:2.6.1]
    2. com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:3687)[jackson-databind-2.6.1.jar:2.6.1]
    3. com.fasterxml.jackson.databind.ObjectMapper.readTree(ObjectMapper.java:2285)[jackson-databind-2.6.1.jar:2.6.1]
    3 frames
  4. AWS SDK for Java - Core
    AmazonHttpClient.execute
    1. com.amazonaws.http.JsonErrorResponseHandler$JsonContent.parseJsonContent(JsonErrorResponseHandler.java:179)[aws-java-sdk-core-1.11.14.jar:na]
    2. com.amazonaws.http.JsonErrorResponseHandler$JsonContent.<init>(JsonErrorResponseHandler.java:169)[aws-java-sdk-core-1.11.14.jar:na]
    3. com.amazonaws.http.JsonErrorResponseHandler$JsonContent.createJsonContent(JsonErrorResponseHandler.java:162)[aws-java-sdk-core-1.11.14.jar:na]
    4. com.amazonaws.http.JsonErrorResponseHandler.handle(JsonErrorResponseHandler.java:64)[aws-java-sdk-core-1.11.14.jar:na]
    5. com.amazonaws.http.JsonErrorResponseHandler.handle(JsonErrorResponseHandler.java:36)[aws-java-sdk-core-1.11.14.jar:na]
    6. com.amazonaws.http.AmazonHttpClient.handleErrorResponse(AmazonHttpClient.java:1346)[aws-java-sdk-core-1.11.14.jar:na]
    7. com.amazonaws.http.AmazonHttpClient.executeOneRequest(AmazonHttpClient.java:923)[aws-java-sdk-core-1.11.14.jar:na]
    8. com.amazonaws.http.AmazonHttpClient.executeHelper(AmazonHttpClient.java:701)[aws-java-sdk-core-1.11.14.jar:na]
    9. com.amazonaws.http.AmazonHttpClient.doExecute(AmazonHttpClient.java:453)[aws-java-sdk-core-1.11.14.jar:na]
    10. com.amazonaws.http.AmazonHttpClient.executeWithTimer(AmazonHttpClient.java:415)[aws-java-sdk-core-1.11.14.jar:na]
    11. com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:364)[aws-java-sdk-core-1.11.14.jar:na]
    11 frames
  5. com.amazonaws.services
    AWSIotClient.createThing
    1. com.amazonaws.services.iot.AWSIotClient.doInvoke(AWSIotClient.java:3609)[aws-java-sdk-iot-1.11.14.jar:na]
    2. com.amazonaws.services.iot.AWSIotClient.invoke(AWSIotClient.java:3579)[aws-java-sdk-iot-1.11.14.jar:na]
    3. com.amazonaws.services.iot.AWSIotClient.createThing(AWSIotClient.java:973)[aws-java-sdk-iot-1.11.14.jar:na]
    3 frames