SAP Knowledge Base Article - Preview

2949959 - "Could not complete job. org.eclipse.swtSWTException Invalid thread access" when calling APL procedures

Symptom

  • You have installed SAP HANA AFL.
  • You execute any type of PAL procedures, including types Decision Tree, Support Vector Machine, or Random Forest as follows:

CALL _SYS_AFL.PAL_DECISION_TREE (PAL_DT_DATA_TBL, #PAL_PARAMETER_TBL, PAL_DT_MODEL_TBL, ?, ?, ?, ?) WITH OVERVIEW;
CALL _SYS_AFL.PAL_SVM(PAL_SVM_DATA_TBL,#PAL_PARAMETER_TBL,PAL_SVM_MODEL_TBL_EX1,?,?) WITH OVERVIEW;
CALL SYS.AFLLANG_WRAPPER_PROCEDURE_CREATE (‘AFLPAL’, ‘RANDOMFORESTTRAIN’, ‘<schema_name>’, '<procedure_name>', <signature_table>);

  • The output is always this error:

Could not complete job. org.eclipse.swt.SWTException Invalid tread access

  • The error occurs in HANA Studio and SAP HANA Tools for Eclipse.
  • The error does not occur from the Web-based Development Workbench or the Web IDE.


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Environment

  • SAP HANA Database
  • SAP HANA Studio 

Product

SAP HANA, platform edition 2.0

Keywords

SAP HANA, Application Function Library, AFL, Predictive Analysis Library, PAL, PAL Procedures, SAP HANA Studio, Eclipse, Web-based Development Workbench, Web IDE , KBA , HAN-DB-AFL-PAL , SAP HANA Predictive Analysis Library , Problem

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