Example usage for org.apache.commons.lang.exception ExceptionUtils printRootCauseStackTrace

Introduction

In this page you can find the example usage for org.apache.commons.lang.exception ExceptionUtils printRootCauseStackTrace.

Prototype

public static void printRootCauseStackTrace(Throwable throwable) 

Source Link

Document

Prints a compact stack trace for the root cause of a throwable to System.err.

The compact stack trace starts with the root cause and prints stack frames up to the place where it was caught and wrapped.

Usage

From source file:com.xiaomi.linden.hadoop.indexing.map.LindenMapper.java

@Override
public void map(Object key, Object value, Context context) throws IOException, InterruptedException {
    LindenIndexRequest indexRequest;/*from  w  w w  .j a v a  2 s .  co  m*/
    try {
        indexRequest = LindenIndexRequestParser.parse(lindenConfig.getSchema(), value.toString());
    } catch (Exception e) {
        ExceptionUtils.printRootCauseStackTrace(e);
        throw new IllegalStateException("LindenIndexRequestParser parsing error", e);
    }

    if (indexRequest.getType() != IndexRequestType.INDEX) {
        throw new IllegalStateException("Index request type error");
    }

    Document doc = LindenDocParser.parse(indexRequest.getDoc(), lindenConfig);
    // now we have uid and lucene Doc;
    IntermediateForm form = new IntermediateForm();
    form.process(new Term(lindenConfig.getSchema().getId(), indexRequest.getDoc().getId()), doc,
            lindenConfig.getIndexAnalyzerInstance(), facetsConfig);
    form.closeWriter();

    int chosenShard = DefaultShardingStrategy.calculateShard(shards.length, indexRequest);
    if (chosenShard >= 0) {
        // insert into one shard
        context.write(shards[chosenShard], form);
    } else {
        logger.error("calculateShard failed for " + value.toString());
        return;
    }
}

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