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spmallette pushed a commit to branch travis-fix
in repository https://gitbox.apache.org/repos/asf/tinkerpop.git

commit e69a17d5c98c0b685206f5a3c7148bb55110ade8
Author: Stephen Mallette <[email protected]>
AuthorDate: Fri Apr 30 06:23:37 2021 -0400

    Hardcode threadpool size to 2.
    
    Travis likely sets the thread pool to 1 for the test client and that may 
create hanging situations for some reason internal to netty.CTR
---
 .../java/org/apache/tinkerpop/gremlin/driver/simple/AbstractClient.java | 2 +-
 .../org/apache/tinkerpop/gremlin/driver/simple/WebSocketClient.java     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git 
a/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/simple/AbstractClient.java
 
b/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/simple/AbstractClient.java
index 270277b..6fd5a6d 100644
--- 
a/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/simple/AbstractClient.java
+++ 
b/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/simple/AbstractClient.java
@@ -42,7 +42,7 @@ public abstract class AbstractClient implements SimpleClient {
 
     public AbstractClient(final String threadPattern) {
         final BasicThreadFactory threadFactory = new 
BasicThreadFactory.Builder().namingPattern(threadPattern).build();
-        group = new NioEventLoopGroup(1, threadFactory);
+        group = new NioEventLoopGroup(2, threadFactory);
     }
 
     public abstract void writeAndFlush(final RequestMessage requestMessage) 
throws Exception;
diff --git 
a/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/simple/WebSocketClient.java
 
b/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/simple/WebSocketClient.java
index 767f5a8..68d1639 100644
--- 
a/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/simple/WebSocketClient.java
+++ 
b/gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/simple/WebSocketClient.java
@@ -69,7 +69,7 @@ public class WebSocketClient extends AbstractClient {
 
         try {
             final WebSocketClientHandler wsHandler = new 
WebSocketClientHandler(WebSocketClientHandshakerFactory.newHandshaker(
-                    uri, WebSocketVersion.V13, null, true, 
EmptyHttpHeaders.INSTANCE, 65536), 10000);
+                    uri, WebSocketVersion.V13, null, true, 
EmptyHttpHeaders.INSTANCE, 65536), 15000);
             final MessageSerializer<GraphBinaryMapper> serializer = new 
GraphBinaryMessageSerializerV1();
             b.channel(NioSocketChannel.class)
                     .handler(new ChannelInitializer<SocketChannel>() {

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