spark--bash启动python版本的shell--ipython

！：本次测试没有启动任何版本hadoop

spark-3.5.4-bin-hadoop3

[root@master spark]# IPYTHON=1 ./bin/pyspark
Error in pyspark startup:
IPYTHON and IPYTHON_OPTS are removed in Spark 2.0+. Remove these from the environment and set PYSPARK_DRIVER_PYTHON and PYSPARK_DRIVER_PYTHON_OPTS instead.
[root@master spark]# PYSPARK_DRIVER_PYTHON=ipython bin/pyspark
Python 2.7.5 (default, Nov 14 2023, 16:14:06) 
Type "copyright", "credits" or "license" for more information.

IPython 3.2.3 -- An enhanced Interactive Python.
?         -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help      -> Python's own help system.
object?   -> Details about 'object', use 'object??' for extra details.
---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
/usr/local/src/spark/python/pyspark/shell.py in <module>()
     23 
     24 import atexit
---> 25 import builtins
     26 import os
     27 import platform

ImportError: No module named builtins

In [1]: 

spark-2.4.3-bin-hadoop2.7

[root@master spark2.x]# PYSPARK_DRIVER_PYTHON=ipython bin/pyspark
Python 2.7.5 (default, Nov 14 2023, 16:14:06) 
Type "copyright", "credits" or "license" for more information.

IPython 3.2.3 -- An enhanced Interactive Python.
?         -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help      -> Python's own help system.
object?   -> Details about 'object', use 'object??' for extra details.
25/02/02 11:17:14 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Using Spark's default log4j profile: org/apache/spark/log4j-defaults.properties
Setting default log level to "WARN".
To adjust logging level use sc.setLogLevel(newLevel). For SparkR, use setLogLevel(newLevel).
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 ERROR SparkContext: Error initializing SparkContext.
java.net.BindException: 无法指定被请求的地址: Service 'sparkDriver' failed after 16 retries (on a random free port)! Consider explicitly setting the appropriate binding address for the service 'sparkDriver' (for example spark.driver.bindAddress for SparkDriver) to the correct binding address.
        at sun.nio.ch.Net.bind0(Native Method)
        at sun.nio.ch.Net.bind(Net.java:433)
        at sun.nio.ch.Net.bind(Net.java:425)
        at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
        at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:128)
        at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:558)
        at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1283)
        at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:501)
        at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:486)
        at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:989)
        at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:254)
        at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:364)
        at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403)
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:463)
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)
        at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138)
        at java.lang.Thread.run(Thread.java:748)
25/02/02 11:17:15 WARN SparkContext: Another SparkContext is being constructed (or threw an exception in its constructor).  This may indicate an error, since only one SparkContext may be running in this JVM (see SPARK-2243). The other SparkContext was created at:
org.apache.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:58)
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
java.lang.reflect.Constructor.newInstance(Constructor.java:423)
py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:247)
py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
py4j.Gateway.invoke(Gateway.java:238)
py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:80)
py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:69)
py4j.GatewayConnection.run(GatewayConnection.java:238)
java.lang.Thread.run(Thread.java:748)
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 WARN Utils: Service 'sparkDriver' could not bind on a random free port. You may check whether configuring an appropriate binding address.
25/02/02 11:17:15 ERROR SparkContext: Error initializing SparkContext.
java.net.BindException: 无法指定被请求的地址: Service 'sparkDriver' failed after 16 retries (on a random free port)! Consider explicitly setting the appropriate binding address for the service 'sparkDriver' (for example spark.driver.bindAddress for SparkDriver) to the correct binding address.
        at sun.nio.ch.Net.bind0(Native Method)
        at sun.nio.ch.Net.bind(Net.java:433)
        at sun.nio.ch.Net.bind(Net.java:425)
        at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
        at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:128)
        at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:558)
        at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1283)
        at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:501)
        at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:486)
        at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:989)
        at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:254)
        at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:364)
        at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403)
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:463)
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)
        at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138)
        at java.lang.Thread.run(Thread.java:748)
/usr/local/src/spark2.x/python/pyspark/shell.py:45: UserWarning: Failed to initialize Spark session.
  warnings.warn("Failed to initialize Spark session.")
Traceback (most recent call last):
  File "/usr/local/src/spark2.x/python/pyspark/shell.py", line 41, in <module>
    spark = SparkSession._create_shell_session()
  File "/usr/local/src/spark2.x/python/pyspark/sql/session.py", line 583, in _create_shell_session
    return SparkSession.builder.getOrCreate()
  File "/usr/local/src/spark2.x/python/pyspark/sql/session.py", line 173, in getOrCreate
    sc = SparkContext.getOrCreate(sparkConf)
  File "/usr/local/src/spark2.x/python/pyspark/context.py", line 367, in getOrCreate
    SparkContext(conf=conf or SparkConf())
  File "/usr/local/src/spark2.x/python/pyspark/context.py", line 136, in __init__
    conf, jsc, profiler_cls)
  File "/usr/local/src/spark2.x/python/pyspark/context.py", line 198, in _do_init
    self._jsc = jsc or self._initialize_context(self._conf._jconf)
  File "/usr/local/src/spark2.x/python/pyspark/context.py", line 306, in _initialize_context
    return self._jvm.JavaSparkContext(jconf)
  File "/usr/local/src/spark2.x/python/lib/py4j-0.10.7-src.zip/py4j/java_gateway.py", line 1525, in __call__
    answer, self._gateway_client, None, self._fqn)
  File "/usr/local/src/spark2.x/python/lib/py4j-0.10.7-src.zip/py4j/protocol.py", line 328, in get_return_value
    format(target_id, ".", name), value)
Py4JJavaError: An error occurred while calling None.org.apache.spark.api.java.JavaSparkContext.
: java.net.BindException: \u65e0\u6cd5\u6307\u5b9a\u88ab\u8bf7\u6c42\u7684\u5730\u5740: Service 'sparkDriver' failed after 16 retries (on a random free port)! Consider explicitly setting the appropriate binding address for the service 'sparkDriver' (for example spark.driver.bindAddress for SparkDriver) to the correct binding address.
        at sun.nio.ch.Net.bind0(Native Method)
        at sun.nio.ch.Net.bind(Net.java:433)
        at sun.nio.ch.Net.bind(Net.java:425)
        at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
        at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:128)
        at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:558)
        at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1283)
        at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:501)
        at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:486)
        at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:989)
        at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:254)
        at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:364)
        at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403)
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:463)
        at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)
        at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138)
        at java.lang.Thread.run(Thread.java:748)

An exception has occurred, use %tb to see the full traceback.

SystemExit: 1


In [1]: 

spark-1.6.3-bin-hadoop2.3

[root@master spark1.x]# IPYTHON=1 bin/pyspark
Python 2.7.5 (default, Nov 14 2023, 16:14:06) 
Type "copyright", "credits" or "license" for more information.

IPython 3.2.3 -- An enhanced Interactive Python.
?         -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help      -> Python's own help system.
object?   -> Details about 'object', use 'object??' for extra details.
Using Spark's default log4j profile: org/apache/spark/log4j-defaults.properties
25/02/02 11:21:04 INFO SparkContext: Running Spark version 1.6.3
25/02/02 11:21:05 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
25/02/02 11:21:05 INFO SecurityManager: Changing view acls to: root
25/02/02 11:21:05 INFO SecurityManager: Changing modify acls to: root
25/02/02 11:21:05 INFO SecurityManager: SecurityManager: authentication disabled; ui acls disabled; users with view permissions: Set(root); users with modify permissions: Set(root)
25/02/02 11:21:05 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
25/02/02 11:21:05 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
25/02/02 11:21:05 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
25/02/02 11:21:05 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
25/02/02 11:21:05 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
25/02/02 11:21:05 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
25/02/02 11:21:05 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
25/02/02 11:21:05 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
25/02/02 11:21:05 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
25/02/02 11:21:05 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
25/02/02 11:21:05 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
25/02/02 11:21:05 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
25/02/02 11:21:05 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
25/02/02 11:21:05 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
25/02/02 11:21:05 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
25/02/02 11:21:05 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
25/02/02 11:21:05 ERROR SparkContext: Error initializing SparkContext.
java.net.BindException: 无法指定被请求的地址: Service 'sparkDriver' failed after 16 retries! Consider explicitly setting the appropriate port for the service 'sparkDriver' (for example spark.ui.port for SparkUI) to an available port or increasing spark.port.maxRetries.
        at sun.nio.ch.Net.bind0(Native Method)
        at sun.nio.ch.Net.bind(Net.java:433)
        at sun.nio.ch.Net.bind(Net.java:425)
        at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
        at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
        at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:125)
        at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:485)
        at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1089)
        at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:430)
        at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:415)
        at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:903)
        at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:198)
        at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:348)
        at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:357)
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)
        at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
        at java.lang.Thread.run(Thread.java:748)
25/02/02 11:21:05 INFO SparkContext: Successfully stopped SparkContext
---------------------------------------------------------------------------
Py4JJavaError                             Traceback (most recent call last)
/usr/local/src/spark1.x/python/pyspark/shell.py in <module>()
     41     SparkContext.setSystemProperty("spark.executor.uri", os.environ["SPARK_EXECUTOR_URI"])
     42 
---> 43 sc = SparkContext(pyFiles=add_files)
     44 atexit.register(lambda: sc.stop())
     45 

/usr/local/src/spark1.x/python/pyspark/context.py in __init__(self, master, appName, sparkHome, pyFiles, environment, batchSize, serializer, conf, gateway, jsc, profiler_cls)
    113         try:
    114             self._do_init(master, appName, sparkHome, pyFiles, environment, batchSize, serializer,
--> 115                           conf, jsc, profiler_cls)
    116         except:
    117             # If an error occurs, clean up in order to allow future SparkContext creation:

/usr/local/src/spark1.x/python/pyspark/context.py in _do_init(self, master, appName, sparkHome, pyFiles, environment, batchSize, serializer, conf, jsc, profiler_cls)
    170 
    171         # Create the Java SparkContext through Py4J
--> 172         self._jsc = jsc or self._initialize_context(self._conf._jconf)
    173 
    174         # Create a single Accumulator in Java that we'll send all our updates through;

/usr/local/src/spark1.x/python/pyspark/context.py in _initialize_context(self, jconf)
    233         Initialize SparkContext in function to allow subclass specific initialization
    234         """
--> 235         return self._jvm.JavaSparkContext(jconf)
    236 
    237     @classmethod

/usr/local/src/spark1.x/python/lib/py4j-0.9-src.zip/py4j/java_gateway.py in __call__(self, *args)
   1062         answer = self._gateway_client.send_command(command)
   1063         return_value = get_return_value(
-> 1064             answer, self._gateway_client, None, self._fqn)
   1065 
   1066         for temp_arg in temp_args:

/usr/local/src/spark1.x/python/lib/py4j-0.9-src.zip/py4j/protocol.py in get_return_value(answer, gateway_client, target_id, name)
    306                 raise Py4JJavaError(
    307                     "An error occurred while calling {0}{1}{2}.\n".
--> 308                     format(target_id, ".", name), value)
    309             else:
    310                 raise Py4JError(

<type 'str'>: (<type 'exceptions.UnicodeEncodeError'>, UnicodeEncodeError('ascii', u"An error occurred while calling None.org.apache.spark.api.java.JavaSparkContext.\n: java.net.BindException: \u65e0\u6cd5\u6307\u5b9a\u88ab\u8bf7\u6c42\u7684\u5730\u5740: Service 'sparkDriver' failed after 16 retries! Consider explicitly setting the appropriate port for the service 'sparkDriver' (for example spark.ui.port for SparkUI) to an available port or increasing spark.port.maxRetries.\n\tat sun.nio.ch.Net.bind0(Native Method)\n\tat sun.nio.ch.Net.bind(Net.java:433)\n\tat sun.nio.ch.Net.bind(Net.java:425)\n\tat sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)\n\tat sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)\n\tat io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:125)\n\tat io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:485)\n\tat io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1089)\n\tat io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:430)\n\tat io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:415)\n\tat io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:903)\n\tat io.netty.channel.AbstractChannel.bind(AbstractChannel.java:198)\n\tat io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:348)\n\tat io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:357)\n\tat io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)\n\tat io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)\n\tat java.lang.Thread.run(Thread.java:748)\n", 107, 117, 'ordinal not in range(128)'))

In [1]: