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Introduce error details provider to get more information about except…
…ons from plugins
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36 changes: 36 additions & 0 deletions
36
...ates/cdap-etl/cdap-etl-api/src/main/java/io/cdap/cdap/etl/api/exception/ErrorContext.java
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|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| /* | ||
| * Copyright © 2024 Cask Data, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not | ||
| * use this file except in compliance with the License. You may obtain a copy of | ||
| * the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | ||
| * License for the specific language governing permissions and limitations under | ||
| * the License. | ||
| */ | ||
|
|
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| package io.cdap.cdap.etl.api.exception; | ||
|
|
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| /** | ||
| * Context for error details provider. | ||
| * | ||
| * <p> | ||
| * This class provides the context for the error details provider. | ||
| * </p> | ||
| */ | ||
| public class ErrorContext { | ||
| private final ErrorPhase phase; | ||
|
|
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| public ErrorContext(ErrorPhase phase) { | ||
| this.phase = phase; | ||
| } | ||
|
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| public ErrorPhase getPhase() { | ||
| return phase; | ||
| } | ||
| } |
43 changes: 43 additions & 0 deletions
43
...p-etl/cdap-etl-api/src/main/java/io/cdap/cdap/etl/api/exception/ErrorDetailsProvider.java
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| /* | ||
| * Copyright © 2024 Cask Data, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not | ||
| * use this file except in compliance with the License. You may obtain a copy of | ||
| * the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | ||
| * License for the specific language governing permissions and limitations under | ||
| * the License. | ||
| */ | ||
|
|
||
| package io.cdap.cdap.etl.api.exception; | ||
|
|
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| import io.cdap.cdap.api.exception.ProgramFailureException; | ||
| import javax.annotation.Nullable; | ||
|
|
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| /** | ||
| * Interface for providing error details. | ||
| * | ||
| * <p> | ||
| * Implementations of this interface can be used to provide more detailed error information | ||
| * for exceptions that occur within the code using {@link ProgramFailureException}. | ||
| * </p> | ||
| */ | ||
| public interface ErrorDetailsProvider { | ||
|
|
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| /** | ||
| * Returns a {@link ProgramFailureException} that wraps the given exception | ||
| * with more detailed information. | ||
| * | ||
| * @param e the exception to wrap. | ||
| * @param context the context of the error. | ||
| * @return {@link ProgramFailureException} that wraps the given exception | ||
| * with more detailed information. | ||
| */ | ||
| @Nullable | ||
| ProgramFailureException getExceptionDetails(Exception e, ErrorContext context); | ||
| } |
29 changes: 29 additions & 0 deletions
29
...l/cdap-etl-api/src/main/java/io/cdap/cdap/etl/api/exception/ErrorDetailsProviderSpec.java
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|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| /* | ||
| * Copyright © 2024 Cask Data, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not | ||
| * use this file except in compliance with the License. You may obtain a copy of | ||
| * the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | ||
| * License for the specific language governing permissions and limitations under | ||
| * the License. | ||
| */ | ||
|
|
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| package io.cdap.cdap.etl.api.exception; | ||
|
|
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| public class ErrorDetailsProviderSpec { | ||
| private final String className; | ||
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| public ErrorDetailsProviderSpec(String className) { | ||
| this.className = className; | ||
| } | ||
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| public String getClassName() { | ||
| return className; | ||
| } | ||
| } |
42 changes: 42 additions & 0 deletions
42
...plates/cdap-etl/cdap-etl-api/src/main/java/io/cdap/cdap/etl/api/exception/ErrorPhase.java
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| /* | ||
| * Copyright © 2024 Cask Data, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not | ||
| * use this file except in compliance with the License. You may obtain a copy of | ||
| * the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | ||
| * License for the specific language governing permissions and limitations under | ||
| * the License. | ||
| */ | ||
|
|
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| package io.cdap.cdap.etl.api.exception; | ||
|
|
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| /** | ||
| * Enum representing the different phases of a stage where error can occur. | ||
| */ | ||
| public enum ErrorPhase { | ||
| SPLITTING("Splitting"), | ||
| READING("Reading"), | ||
| VALIDATING_OUTPUT_SPECS("Validating Output Specs"), | ||
| WRITING("Writing"), | ||
| COMMITTING("Committing"); | ||
|
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| private final String displayName; | ||
|
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| ErrorPhase(String displayName) { | ||
| this.displayName = displayName; | ||
| } | ||
|
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| /** | ||
| * Returns a string representation of the error phase enum. | ||
| */ | ||
| @Override | ||
| public String toString() { | ||
| return displayName; | ||
| } | ||
| } |
32 changes: 32 additions & 0 deletions
32
...l/cdap-etl-api/src/main/java/io/cdap/cdap/etl/api/exception/NoopErrorDetailsProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| /* | ||
| * Copyright © 2024 Cask Data, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not | ||
| * use this file except in compliance with the License. You may obtain a copy of | ||
| * the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | ||
| * License for the specific language governing permissions and limitations under | ||
| * the License. | ||
| */ | ||
|
|
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| package io.cdap.cdap.etl.api.exception; | ||
|
|
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| import io.cdap.cdap.api.exception.ProgramFailureException; | ||
| import javax.annotation.Nullable; | ||
|
|
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| /** | ||
| * Noop implementation of {@link ErrorDetailsProvider}. | ||
| */ | ||
| public class NoopErrorDetailsProvider implements ErrorDetailsProvider { | ||
|
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| @Nullable | ||
| @Override | ||
| public ProgramFailureException getExceptionDetails(Exception e, ErrorContext context) { | ||
| return null; | ||
| } | ||
| } |
79 changes: 79 additions & 0 deletions
79
...emplates/cdap-etl/cdap-etl-core/src/main/java/io/cdap/cdap/etl/common/ExceptionUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| /* | ||
| * Copyright © 2024 Cask Data, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not | ||
| * use this file except in compliance with the License. You may obtain a copy of | ||
| * the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | ||
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | ||
| * License for the specific language governing permissions and limitations under | ||
| * the License. | ||
| */ | ||
|
|
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| package io.cdap.cdap.etl.common; | ||
|
|
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| import io.cdap.cdap.api.exception.ProgramFailureException; | ||
| import io.cdap.cdap.api.exception.WrappedStageException; | ||
| import io.cdap.cdap.etl.api.exception.ErrorContext; | ||
| import io.cdap.cdap.etl.api.exception.ErrorDetailsProvider; | ||
| import io.cdap.cdap.etl.api.exception.ErrorPhase; | ||
| import io.cdap.cdap.etl.api.exception.NoopErrorDetailsProvider; | ||
| import org.apache.hadoop.conf.Configuration; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| /** | ||
| * Utility class for handling exceptions. | ||
| */ | ||
| public class ExceptionUtils { | ||
| private static final Logger LOG = LoggerFactory.getLogger(ExceptionUtils.class); | ||
| public static final String ERROR_DETAILS_PROVIDER_CLASS_NAME_KEY = | ||
| "io.cdap.pipeline.error.details.provider.classname"; | ||
|
|
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| /** | ||
| * Gets the {@link ErrorDetailsProvider} from the given {@link Configuration}. | ||
| * | ||
| * @param conf the configuration to get the error details provider from. | ||
| * @return the error details provider. | ||
| */ | ||
| public static ErrorDetailsProvider getErrorDetailsProvider(Configuration conf) { | ||
| String errorDetailsProviderClassName = | ||
| conf.get(ERROR_DETAILS_PROVIDER_CLASS_NAME_KEY); | ||
| if (errorDetailsProviderClassName == null) { | ||
| return new NoopErrorDetailsProvider(); | ||
| } | ||
| try { | ||
| return (ErrorDetailsProvider) conf.getClassLoader() | ||
| .loadClass(errorDetailsProviderClassName) | ||
| .newInstance(); | ||
| } catch (Exception e) { | ||
| LOG.warn(String.format("Unable to instantiate errorDetailsProvider class '%s'.", | ||
| errorDetailsProviderClassName), e); | ||
| return new NoopErrorDetailsProvider(); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Handles the given exception, wrapping it in a {@link WrappedStageException}. | ||
| * | ||
| * @param e the exception to handle. | ||
| * @param stageName the name of the stage where the exception occurred. | ||
| * @param errorDetailsProvider the error details provider. | ||
| * @param phase the phase of the stage where the exception occurred. | ||
| * @return the wrapped stage exception. | ||
| */ | ||
| public static WrappedStageException handleException(Exception e, String stageName, | ||
| ErrorDetailsProvider errorDetailsProvider, ErrorPhase phase) { | ||
| ProgramFailureException exception = null; | ||
|
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| if (!(e instanceof ProgramFailureException)) { | ||
| exception = errorDetailsProvider == null ? null : | ||
| errorDetailsProvider.getExceptionDetails(e, new ErrorContext(phase)); | ||
| } | ||
| return new WrappedStageException(exception == null ? e : exception, stageName); | ||
| } | ||
| } |
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