Examples with KettleStepException org.pentaho.di.core.exception.KettleStepException used on opensource projects

Example 26 with KettleStepException

use of org.pentaho.di.core.exception.KettleStepException in project pentaho-kettle by pentaho.

the class TransMeta method checkRowMixingStatically.

/**
 * Check a step to see if there are no multiple steps to read from. If so, check to see if the receiving rows are all
 * the same in layout. We only want to ONLY use the DBCache for this to prevent GUI stalls.
 *
 * @param stepMeta
 *          the step to check
 * @param monitor
 *          the monitor
 * @throws KettleRowException
 *           in case we detect a row mixing violation
 */
public void checkRowMixingStatically(StepMeta stepMeta, ProgressMonitorListener monitor) throws KettleRowException {
    List<StepMeta> prevSteps = findPreviousSteps(stepMeta);
    int nrPrevious = prevSteps.size();
    if (nrPrevious > 1) {
        RowMetaInterface referenceRow = null;
        // See if all previous steps send out the same rows...
        for (int i = 0; i < nrPrevious; i++) {
            StepMeta previousStep = prevSteps.get(i);
            try {
                // Throws KettleStepException
                RowMetaInterface row = getStepFields(previousStep, monitor);
                if (referenceRow == null) {
                    referenceRow = row;
                } else if (!stepMeta.getStepMetaInterface().excludeFromRowLayoutVerification()) {
                    BaseStep.safeModeChecking(referenceRow, row);
                }
            } catch (KettleStepException e) {
            // We ignore this one because we are in the process of designing the transformation, anything intermediate can
            // go wrong.
            }
        }
    }
}

Example 27 with KettleStepException

use of org.pentaho.di.core.exception.KettleStepException in project pentaho-kettle by pentaho.

the class TransMeta method checkSteps.

/**
 * Checks all the steps and fills a List of (CheckResult) remarks.
 *
 * @param remarks
 *          The remarks list to add to.
 * @param only_selected
 *          true to check only the selected steps, false for all steps
 * @param monitor
 *          a progress monitor listener to be updated as the SQL statements are generated
 */
public void checkSteps(List<CheckResultInterface> remarks, boolean only_selected, ProgressMonitorListener monitor, VariableSpace space, Repository repository, IMetaStore metaStore) {
    try {
        // Start with a clean slate...
        remarks.clear();
        Map<ValueMetaInterface, String> values = new Hashtable<>();
        String[] stepnames;
        StepMeta[] steps;
        List<StepMeta> selectedSteps = getSelectedSteps();
        if (!only_selected || selectedSteps.isEmpty()) {
            stepnames = getStepNames();
            steps = getStepsArray();
        } else {
            stepnames = getSelectedStepNames();
            steps = selectedSteps.toArray(new StepMeta[selectedSteps.size()]);
        }
        ExtensionPointHandler.callExtensionPoint(getLogChannel(), KettleExtensionPoint.BeforeCheckSteps.id, new CheckStepsExtension(remarks, space, this, steps, repository, metaStore));
        boolean stop_checking = false;
        if (monitor != null) {
            monitor.beginTask(BaseMessages.getString(PKG, "TransMeta.Monitor.VerifyingThisTransformationTask.Title"), steps.length + 2);
        }
        for (int i = 0; i < steps.length && !stop_checking; i++) {
            if (monitor != null) {
                monitor.subTask(BaseMessages.getString(PKG, "TransMeta.Monitor.VerifyingStepTask.Title", stepnames[i]));
            }
            StepMeta stepMeta = steps[i];
            int nrinfo = findNrInfoSteps(stepMeta);
            StepMeta[] infostep = null;
            if (nrinfo > 0) {
                infostep = getInfoStep(stepMeta);
            }
            RowMetaInterface info = null;
            if (infostep != null) {
                try {
                    info = getStepFields(infostep);
                } catch (KettleStepException kse) {
                    info = null;
                    CheckResult cr = new CheckResult(CheckResultInterface.TYPE_RESULT_ERROR, BaseMessages.getString(PKG, "TransMeta.CheckResult.TypeResultError.ErrorOccurredGettingStepInfoFields.Description", "" + stepMeta, Const.CR + kse.getMessage()), stepMeta);
                    remarks.add(cr);
                }
            }
            // The previous fields from non-informative steps:
            RowMetaInterface prev = null;
            try {
                prev = getPrevStepFields(stepMeta);
            } catch (KettleStepException kse) {
                CheckResult cr = new CheckResult(CheckResultInterface.TYPE_RESULT_ERROR, BaseMessages.getString(PKG, "TransMeta.CheckResult.TypeResultError.ErrorOccurredGettingInputFields.Description", "" + stepMeta, Const.CR + kse.getMessage()), stepMeta);
                remarks.add(cr);
                // This is a severe error: stop checking...
                // Otherwise we wind up checking time & time again because nothing gets put in the database
                // cache, the timeout of certain databases is very long... (Oracle)
                stop_checking = true;
            }
            if (isStepUsedInTransHops(stepMeta) || getSteps().size() == 1) {
                // Get the input & output steps!
                // Copy to arrays:
                String[] input = getPrevStepNames(stepMeta);
                String[] output = getNextStepNames(stepMeta);
                // Check step specific info...
                ExtensionPointHandler.callExtensionPoint(getLogChannel(), KettleExtensionPoint.BeforeCheckStep.id, new CheckStepsExtension(remarks, space, this, new StepMeta[] { stepMeta }, repository, metaStore));
                stepMeta.check(remarks, this, prev, input, output, info, space, repository, metaStore);
                ExtensionPointHandler.callExtensionPoint(getLogChannel(), KettleExtensionPoint.AfterCheckStep.id, new CheckStepsExtension(remarks, space, this, new StepMeta[] { stepMeta }, repository, metaStore));
                // See if illegal characters etc. were used in field-names...
                if (prev != null) {
                    for (int x = 0; x < prev.size(); x++) {
                        ValueMetaInterface v = prev.getValueMeta(x);
                        String name = v.getName();
                        if (name == null) {
                            values.put(v, BaseMessages.getString(PKG, "TransMeta.Value.CheckingFieldName.FieldNameIsEmpty.Description"));
                        } else if (name.indexOf(' ') >= 0) {
                            values.put(v, BaseMessages.getString(PKG, "TransMeta.Value.CheckingFieldName.FieldNameContainsSpaces.Description"));
                        } else {
                            char[] list = new char[] { '.', ',', '-', '/', '+', '*', '\'', '\t', '"', '|', '@', '(', ')', '{', '}', '!', '^' };
                            for (int c = 0; c < list.length; c++) {
                                if (name.indexOf(list[c]) >= 0) {
                                    values.put(v, BaseMessages.getString(PKG, "TransMeta.Value.CheckingFieldName.FieldNameContainsUnfriendlyCodes.Description", String.valueOf(list[c])));
                                }
                            }
                        }
                    }
                    // Check if 2 steps with the same name are entering the step...
                    if (prev.size() > 1) {
                        String[] fieldNames = prev.getFieldNames();
                        String[] sortedNames = Const.sortStrings(fieldNames);
                        String prevName = sortedNames[0];
                        for (int x = 1; x < sortedNames.length; x++) {
                            // Checking for doubles
                            if (prevName.equalsIgnoreCase(sortedNames[x])) {
                                // Give a warning!!
                                CheckResult cr = new CheckResult(CheckResultInterface.TYPE_RESULT_ERROR, BaseMessages.getString(PKG, "TransMeta.CheckResult.TypeResultWarning.HaveTheSameNameField.Description", prevName), stepMeta);
                                remarks.add(cr);
                            } else {
                                prevName = sortedNames[x];
                            }
                        }
                    }
                } else {
                    CheckResult cr = new CheckResult(CheckResultInterface.TYPE_RESULT_ERROR, BaseMessages.getString(PKG, "TransMeta.CheckResult.TypeResultError.CannotFindPreviousFields.Description") + stepMeta.getName(), stepMeta);
                    remarks.add(cr);
                }
            } else {
                CheckResult cr = new CheckResult(CheckResultInterface.TYPE_RESULT_WARNING, BaseMessages.getString(PKG, "TransMeta.CheckResult.TypeResultWarning.StepIsNotUsed.Description"), stepMeta);
                remarks.add(cr);
            }
            // Also check for mixing rows...
            try {
                checkRowMixingStatically(stepMeta, null);
            } catch (KettleRowException e) {
                CheckResult cr = new CheckResult(CheckResultInterface.TYPE_RESULT_ERROR, e.getMessage(), stepMeta);
                remarks.add(cr);
            }
            if (monitor != null) {
                // progress bar...
                monitor.worked(1);
                if (monitor.isCanceled()) {
                    stop_checking = true;
                }
            }
        }
        // Also, check the logging table of the transformation...
        if (monitor == null || !monitor.isCanceled()) {
            if (monitor != null) {
                monitor.subTask(BaseMessages.getString(PKG, "TransMeta.Monitor.CheckingTheLoggingTableTask.Title"));
            }
            if (transLogTable.getDatabaseMeta() != null) {
                Database logdb = new Database(this, transLogTable.getDatabaseMeta());
                logdb.shareVariablesWith(this);
                try {
                    logdb.connect();
                    CheckResult cr = new CheckResult(CheckResultInterface.TYPE_RESULT_OK, BaseMessages.getString(PKG, "TransMeta.CheckResult.TypeResultOK.ConnectingWorks.Description"), null);
                    remarks.add(cr);
                    if (transLogTable.getTableName() != null) {
                        if (logdb.checkTableExists(transLogTable.getTableName())) {
                            cr = new CheckResult(CheckResultInterface.TYPE_RESULT_OK, BaseMessages.getString(PKG, "TransMeta.CheckResult.TypeResultOK.LoggingTableExists.Description", transLogTable.getTableName()), null);
                            remarks.add(cr);
                            RowMetaInterface fields = transLogTable.getLogRecord(LogStatus.START, null, null).getRowMeta();
                            String sql = logdb.getDDL(transLogTable.getTableName(), fields);
                            if (sql == null || sql.length() == 0) {
                                cr = new CheckResult(CheckResultInterface.TYPE_RESULT_OK, BaseMessages.getString(PKG, "TransMeta.CheckResult.TypeResultOK.CorrectLayout.Description"), null);
                                remarks.add(cr);
                            } else {
                                cr = new CheckResult(CheckResultInterface.TYPE_RESULT_ERROR, BaseMessages.getString(PKG, "TransMeta.CheckResult.TypeResultError.LoggingTableNeedsAdjustments.Description") + Const.CR + sql, null);
                                remarks.add(cr);
                            }
                        } else {
                            cr = new CheckResult(CheckResultInterface.TYPE_RESULT_ERROR, BaseMessages.getString(PKG, "TransMeta.CheckResult.TypeResultError.LoggingTableDoesNotExist.Description"), null);
                            remarks.add(cr);
                        }
                    } else {
                        cr = new CheckResult(CheckResultInterface.TYPE_RESULT_ERROR, BaseMessages.getString(PKG, "TransMeta.CheckResult.TypeResultError.LogTableNotSpecified.Description"), null);
                        remarks.add(cr);
                    }
                } catch (KettleDatabaseException dbe) {
                // Ignore errors
                } finally {
                    logdb.disconnect();
                }
            }
            if (monitor != null) {
                monitor.worked(1);
            }
        }
        if (monitor != null) {
            monitor.subTask(BaseMessages.getString(PKG, "TransMeta.Monitor.CheckingForDatabaseUnfriendlyCharactersInFieldNamesTask.Title"));
        }
        if (values.size() > 0) {
            for (ValueMetaInterface v : values.keySet()) {
                String message = values.get(v);
                CheckResult cr = new CheckResult(CheckResultInterface.TYPE_RESULT_WARNING, BaseMessages.getString(PKG, "TransMeta.CheckResult.TypeResultWarning.Description", v.getName(), message, v.getOrigin()), findStep(v.getOrigin()));
                remarks.add(cr);
            }
        } else {
            CheckResult cr = new CheckResult(CheckResultInterface.TYPE_RESULT_OK, BaseMessages.getString(PKG, "TransMeta.CheckResult.TypeResultOK.Description"), null);
            remarks.add(cr);
        }
        if (monitor != null) {
            monitor.worked(1);
        }
        ExtensionPointHandler.callExtensionPoint(getLogChannel(), KettleExtensionPoint.AfterCheckSteps.id, new CheckStepsExtension(remarks, space, this, steps, repository, metaStore));
    } catch (Exception e) {
        log.logError(Const.getStackTracker(e));
        throw new RuntimeException(e);
    }
}

Example 28 with KettleStepException

use of org.pentaho.di.core.exception.KettleStepException in project pentaho-kettle by pentaho.

the class TransMeta method getSQLStatements.

/**
 * Builds a list of all the SQL statements that this transformation needs in order to work properly.
 *
 * @param monitor
 *          a progress monitor listener to be updated as the SQL statements are generated
 * @return An ArrayList of SQLStatement objects.
 * @throws KettleStepException
 *           if any errors occur during SQL statement generation
 */
public List<SQLStatement> getSQLStatements(ProgressMonitorListener monitor) throws KettleStepException {
    if (monitor != null) {
        monitor.beginTask(BaseMessages.getString(PKG, "TransMeta.Monitor.GettingTheSQLForTransformationTask.Title"), nrSteps() + 1);
    }
    List<SQLStatement> stats = new ArrayList<>();
    for (int i = 0; i < nrSteps(); i++) {
        StepMeta stepMeta = getStep(i);
        if (monitor != null) {
            monitor.subTask(BaseMessages.getString(PKG, "TransMeta.Monitor.GettingTheSQLForStepTask.Title", "" + stepMeta));
        }
        RowMetaInterface prev = getPrevStepFields(stepMeta);
        SQLStatement sqlCompat = compatibleStepMetaGetSQLStatements(stepMeta.getStepMetaInterface(), stepMeta, prev);
        if (sqlCompat.getSQL() != null || sqlCompat.hasError()) {
            stats.add(sqlCompat);
        }
        SQLStatement sql = stepMeta.getStepMetaInterface().getSQLStatements(this, stepMeta, prev, repository, metaStore);
        if (sql.getSQL() != null || sql.hasError()) {
            stats.add(sql);
        }
        if (monitor != null) {
            monitor.worked(1);
        }
    }
    // 
    if (monitor != null) {
        monitor.subTask(BaseMessages.getString(PKG, "TransMeta.Monitor.GettingTheSQLForTransformationTask.Title2"));
    }
    if (transLogTable.getDatabaseMeta() != null && (!Utils.isEmpty(transLogTable.getTableName()) || !Utils.isEmpty(performanceLogTable.getTableName()))) {
        try {
            for (LogTableInterface logTable : new LogTableInterface[] { transLogTable, performanceLogTable, channelLogTable, stepLogTable }) {
                if (logTable.getDatabaseMeta() != null && !Utils.isEmpty(logTable.getTableName())) {
                    Database db = null;
                    try {
                        db = new Database(this, transLogTable.getDatabaseMeta());
                        db.shareVariablesWith(this);
                        db.connect();
                        RowMetaInterface fields = logTable.getLogRecord(LogStatus.START, null, null).getRowMeta();
                        String schemaTable = logTable.getDatabaseMeta().getQuotedSchemaTableCombination(logTable.getSchemaName(), logTable.getTableName());
                        String sql = db.getDDL(schemaTable, fields);
                        if (!Utils.isEmpty(sql)) {
                            SQLStatement stat = new SQLStatement("<this transformation>", transLogTable.getDatabaseMeta(), sql);
                            stats.add(stat);
                        }
                    } catch (Exception e) {
                        throw new KettleDatabaseException("Unable to connect to logging database [" + logTable.getDatabaseMeta() + "]", e);
                    } finally {
                        if (db != null) {
                            db.disconnect();
                        }
                    }
                }
            }
        } catch (KettleDatabaseException dbe) {
            SQLStatement stat = new SQLStatement("<this transformation>", transLogTable.getDatabaseMeta(), null);
            stat.setError(BaseMessages.getString(PKG, "TransMeta.SQLStatement.ErrorDesc.ErrorObtainingTransformationLogTableInfo") + dbe.getMessage());
            stats.add(stat);
        }
    }
    if (monitor != null) {
        monitor.worked(1);
    }
    if (monitor != null) {
        monitor.done();
    }
    return stats;
}

Example 29 with KettleStepException

use of org.pentaho.di.core.exception.KettleStepException in project pentaho-kettle by pentaho.

the class TransDebugMeta method addRowListenersToTransformation.

public synchronized void addRowListenersToTransformation(final Trans trans) {
    final TransDebugMeta self = this;
    // 
    for (final StepMeta stepMeta : stepDebugMetaMap.keySet()) {
        final StepDebugMeta stepDebugMeta = stepDebugMetaMap.get(stepMeta);
        // 
        for (StepInterface baseStep : trans.findBaseSteps(stepMeta.getName())) {
            baseStep.addRowListener(new RowAdapter() {

                public void rowWrittenEvent(RowMetaInterface rowMeta, Object[] row) throws KettleStepException {
                    try {
                        // This block of code is called whenever there is a row written by the step
                        // So we want to execute the debugging actions that are specified by the step...
                        // 
                        int rowCount = stepDebugMeta.getRowCount();
                        if (stepDebugMeta.isReadingFirstRows() && rowCount > 0) {
                            int bufferSize = stepDebugMeta.getRowBuffer().size();
                            if (bufferSize < rowCount) {
                                // This is the classic preview mode.
                                // We add simply add the row to the buffer.
                                // 
                                stepDebugMeta.setRowBufferMeta(rowMeta);
                                stepDebugMeta.getRowBuffer().add(rowMeta.cloneRow(row));
                            } else {
                                // pause the transformation...
                                // 
                                trans.pauseRunning();
                                // Also call the pause / break-point listeners on the step debugger...
                                // 
                                stepDebugMeta.fireBreakPointListeners(self);
                            }
                        } else if (stepDebugMeta.isPausingOnBreakPoint() && stepDebugMeta.getCondition() != null) {
                            // 
                            if (rowCount > 0) {
                                // Keep a number of rows in memory
                                // Store them in a reverse order to keep it intuitive for the user.
                                // 
                                stepDebugMeta.setRowBufferMeta(rowMeta);
                                stepDebugMeta.getRowBuffer().add(0, rowMeta.cloneRow(row));
                                // Only keep a number of rows in memory
                                // If we have too many, remove the last (oldest)
                                // 
                                int bufferSize = stepDebugMeta.getRowBuffer().size();
                                if (bufferSize > rowCount) {
                                    stepDebugMeta.getRowBuffer().remove(bufferSize - 1);
                                }
                            } else {
                                // 
                                if (stepDebugMeta.getRowBuffer().isEmpty()) {
                                    stepDebugMeta.getRowBuffer().add(rowMeta.cloneRow(row));
                                } else {
                                    stepDebugMeta.getRowBuffer().set(0, rowMeta.cloneRow(row));
                                }
                            }
                            // 
                            if (stepDebugMeta.getCondition().evaluate(rowMeta, row)) {
                                // We hit the break-point: pause the transformation
                                // 
                                trans.pauseRunning();
                                // Also fire off the break point listeners...
                                // 
                                stepDebugMeta.fireBreakPointListeners(self);
                            }
                        }
                    } catch (KettleException e) {
                        throw new KettleStepException(e);
                    }
                }
            });
        }
    }
}

Example 30 with KettleStepException

use of org.pentaho.di.core.exception.KettleStepException in project pentaho-kettle by pentaho.

the class BaseStep method putRow.

/**
 * putRow is used to copy a row, to the alternate rowset(s) This should get priority over everything else!
 * (synchronized) If distribute is true, a row is copied only once to the output rowsets, otherwise copies are sent to
 * each rowset!
 *
 * @param row The row to put to the destination rowset(s).
 * @throws KettleStepException
 */
@Override
public void putRow(RowMetaInterface rowMeta, Object[] row) throws KettleStepException {
    if (rowMeta != null) {
        String property = System.getProperties().getProperty(Const.ALLOW_EMPTY_FIELD_NAMES_AND_TYPES, "false");
        boolean allowEmpty = Boolean.parseBoolean(property);
        if (!allowEmpty) {
            // check row meta for empty field name (BACKLOG-18004)
            for (ValueMetaInterface vmi : rowMeta.getValueMetaList()) {
                if (StringUtils.isBlank(vmi.getName())) {
                    throw new KettleStepException("Please set a field name for all field(s) that have 'null'.");
                }
                if (vmi.getType() <= 0) {
                    throw new KettleStepException("Please set a value for the missing field(s) type.");
                }
            }
        }
    }
    getRowHandler().putRow(rowMeta, row);
}