本文整理了Java中java.lang.System.setErr()方法的一些代码示例，展示了System.setErr()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。System.setErr()方法的具体详情如下：
包路径：java.lang.System
类名称：System
方法名：setErr

System.setErr介绍

[英]Sets the standard error output stream to the given user defined output stream.
[中]将标准错误输出流设置为给定的用户定义输出流。

代码示例

代码示例来源：origin: stackoverflow.com

private final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
private final ByteArrayOutputStream errContent = new ByteArrayOutputStream();

@Before
public void setUpStreams() {
  System.setOut(new PrintStream(outContent));
  System.setErr(new PrintStream(errContent));
}

@After
public void cleanUpStreams() {
  System.setOut(null);
  System.setErr(null);
}

代码示例来源：origin: stanfordnlp/CoreNLP

/**
 * Restores System.out and System.err to their original values
 */
protected static void restoreSystemStreams(){
 System.setOut(realSysOut);
 System.setErr(realSysErr);
}

代码示例来源：origin: eclipse-vertx/vert.x

public void terminate() {
 if (System.err != ORIGINAL_ERR) {
  System.setErr(ORIGINAL_ERR);
 }
}

代码示例来源：origin: eclipse-vertx/vert.x

public void stop() {
 if (System.err != ORIGINAL_ERR) {
  System.setErr(ORIGINAL_ERR);
 }
}

代码示例来源：origin: neo4j/neo4j

@Override
  PrintStream replace( PrintStream replacement )
  {
    PrintStream old = java.lang.System.err;
    java.lang.System.setErr( replacement );
    return old;
  }
};

代码示例来源：origin: eclipse-vertx/vert.x

public void stop() {
 if (System.out != originalOutputPrintStream) {
  System.setOut(originalOutputPrintStream);
 }
 if (System.err != originalErrorPrintStream) {
  System.setErr(originalErrorPrintStream);
 }
}

代码示例来源：origin: apache/flink

private static void restoreStdOutAndStdErr() {
  System.setOut(stdOut);
  System.setErr(stdErr);
}

代码示例来源：origin: gocd/gocd

private static void redirectStdOutAndErr() {
  try {
    PrintStream out = new PrintStream(new FileOutputStream(getOutFile(), true), true);
    System.setErr(out);
    System.setOut(out);
  } catch (FileNotFoundException ignore) {
    // cannot redirect out and err to file, so we don't
    log("Unable to redirect stdout/stderr to file " + getOutFile() + ". Will continue without redirecting stdout/stderr.");
    ignore.printStackTrace();
  }
}

代码示例来源：origin: eclipse-vertx/vert.x

public void start() {
 error.reset();
 System.setErr(new PrintStream(error));
}

代码示例来源：origin: eclipse-vertx/vert.x

public void record() {
 os = new PrintStream(output);
 err = new PrintStream(error);
 System.setOut(os);
 System.setErr(err);
}

代码示例来源：origin: apache/flink

private static void replaceStdOutAndStdErr() {
  stdOut = System.out;
  stdErr = System.err;
  buffer = new ByteArrayOutputStream();
  PrintStream capture = new PrintStream(buffer);
  System.setOut(capture);
  System.setErr(capture);
}

代码示例来源：origin: apache/flink

@After
public void tearDown() {
  if (System.out != originalSystemOut) {
    System.out.close();
  }
  if (System.err != originalSystemErr) {
    System.err.close();
  }
  System.setOut(originalSystemOut);
  System.setErr(originalSystemErr);
}

代码示例来源：origin: apache/flink

@Before
public void setUp() {
  System.setOut(new PrintStream(arrayOutputStream));
  System.setErr(new PrintStream(arrayErrorStream));
}

代码示例来源：origin: apache/flink

protected static void resetStreamsAndSendOutput() {
  System.setOut(ORIGINAL_STDOUT);
  System.setErr(ORIGINAL_STDERR);
  System.setIn(ORIGINAL_STDIN);
  LOG.info("Sending stdout content through logger: \n\n{}\n\n", outContent.toString());
  LOG.info("Sending stderr content through logger: \n\n{}\n\n", errContent.toString());
}

代码示例来源：origin: apache/flink

@Before
public void setUp() {
  System.setOut(new PrintStream(arrayOutputStream));
  System.setErr(new PrintStream(arrayErrorStream));
}

代码示例来源：origin: apache/flink

@Before
public void redirectStreams() {
  this.out = System.out;
  this.err = System.err;
  OutputStream discards = new OutputStream() {
    @Override
    public void write(int b) {}
  };
  System.setOut(new PrintStream(discards));
  System.setErr(new PrintStream(discards));
}

代码示例来源：origin: apache/flink

@After
public void tearDown() {
  if (System.out != originalSystemOut) {
    System.out.close();
  }
  if (System.err != originalSystemErr) {
    System.err.close();
  }
  System.setOut(originalSystemOut);
  System.setErr(originalSystemErr);
}

代码示例来源：origin: apache/zookeeper

@After
public void tearDown() throws IOException {
  System.setOut(System.out);
  System.setErr(System.err);
  mySnapDir.setWritable(true);
  FileUtils.deleteDirectory(mySnapDir);
}

代码示例来源：origin: gocd/gocd

@After
public void tearDown() throws Exception {
  System.setErr(originalErr);
  System.setOut(originalOut);
}

代码示例来源：origin: apache/zookeeper

@Before
public void setUp() throws IOException {
  System.setOut(new PrintStream(outContent));
  System.setErr(new PrintStream(errContent));
  File snapDir = new File(testData, "invalidsnap");
  mySnapDir = ClientBase.createTmpDir();
  FileUtils.copyDirectory(snapDir, mySnapDir);
}