Revert "[Streaming] fix streaming ci (#9675)" (#10656)

This reverts commit 3645a05644.

streaming/java/streaming-runtime/src/main/java/io/ray/streaming/runtime/util/EnvUtil.java

@@ -5,8 +5,6 @@ import io.ray.runtime.util.JniUtils;
 import java.lang.management.ManagementFactory;
 import java.net.InetAddress;
 import java.net.UnknownHostException;
-import java.util.List;
-import java.util.concurrent.TimeUnit;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -39,25 +37,4 @@ public class EnvUtil {
     JniUtils.loadLibrary("streaming_java");
   }
 
-  /**
-   * Execute an external command.
-   *
-   * @return Whether the command succeeded.
-   */
-  public static boolean executeCommand(List<String> command, int waitTimeoutSeconds) {
-    try {
-      ProcessBuilder processBuilder = new ProcessBuilder(command)
-          .redirectOutput(ProcessBuilder.Redirect.INHERIT)
-          .redirectError(ProcessBuilder.Redirect.INHERIT);
-      Process process = processBuilder.start();
-      boolean exit = process.waitFor(waitTimeoutSeconds, TimeUnit.SECONDS);
-      if (!exit) {
-        process.destroyForcibly();
-      }
-      return process.exitValue() == 0;
-    } catch (Exception e) {
-      throw new RuntimeException("Error executing command " + String.join(" ", command), e);
-    }
-  }
-
 }

streaming/java/streaming-runtime/src/main/java/io/ray/streaming/runtime/util/ResourceUtil.java

@@ -1,6 +1,7 @@
 package io.ray.streaming.runtime.util;
 
 import com.sun.management.OperatingSystemMXBean;
+import io.ray.api.id.UniqueId;
 import io.ray.streaming.runtime.core.resource.Container;
 import io.ray.streaming.runtime.core.resource.ContainerId;
 import java.io.BufferedInputStream;

streaming/java/streaming-runtime/src/test/java/io/ray/streaming/runtime/demo/HybridStreamTest.java

@@ -1,14 +1,11 @@
 package io.ray.streaming.runtime.demo;
 
-import com.google.common.base.Preconditions;
-import com.google.common.collect.ImmutableList;
 import io.ray.api.Ray;
 import io.ray.streaming.api.context.StreamingContext;
 import io.ray.streaming.api.function.impl.FilterFunction;
 import io.ray.streaming.api.function.impl.MapFunction;
 import io.ray.streaming.api.function.impl.SinkFunction;
 import io.ray.streaming.api.stream.DataStreamSource;
-import io.ray.streaming.runtime.util.EnvUtil;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Paths;
@@ -45,8 +42,6 @@ public class HybridStreamTest {
   @Test(timeOut = 60000)
   public void testHybridDataStream() throws Exception {
     Ray.shutdown();
-    Preconditions.checkArgument(
-        EnvUtil.executeCommand(ImmutableList.of("ray", "stop"), 5));
     String sinkFileName = "/tmp/testHybridDataStream.txt";
     Files.deleteIfExists(Paths.get(sinkFileName));