I followed the instructions given on this website, but everytime I open a new pyspark notebook I'm still getting the following kernel error. How would I go about resolving this?
[E 15:39:28.693 NotebookApp] Failed to run command: [u'/anaconda/bin/python', u'-m', u'ipykernel', u'-f', u'/run/user/1000/jupyter/kernel-f04c7a43-accb-403b-9632-d47e6728387e.json'] PATH='/home/username/anaconda2/bin:/srv/spark/bin:/usr/local/scala/bin:/home/username/anaconda2/bin:/home/username/anaconda2/bin:/srv/spark/bin:/home/username/bin:/home/username/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/usr/lib/jvm/java-8-oracle/bin:/usr/lib/jvm/java-8-oracle/db/bin:/usr/lib/jvm/java-8-oracle/jre/bin' with kwargs: {'cwd': u'/home/username', 'stdin': -1, 'preexec_fn': <function <lambda> at 0x7f7280b3c320>, 'stderr': None, 'stdout': None} [E 15:39:28.712 NotebookApp] Unhandled error in API request Traceback (most recent call last): File "/home/username/anaconda2/lib/python2.7/site-packages/notebook/base/handlers.py", line 457, in wrapper result = yield gen.maybe_future(method(self, *args, **kwargs)) File "/home/username/anaconda2/lib/python2.7/site-packages/tornado/gen.py", line 1015, in run value = future.result() File "/home/username/anaconda2/lib/python2.7/site-packages/tornado/concurrent.py", line 237, in result raise_exc_info(self._exc_info) File "/home/username/anaconda2/lib/python2.7/site-packages/tornado/gen.py", line 1021, in run yielded = self.gen.throw(*exc_info) File "/home/username/anaconda2/lib/python2.7/site-packages/notebook/services/sessions/handlers.py", line 62, in post kernel_id=kernel_id)) File "/home/username/anaconda2/lib/python2.7/site-packages/tornado/gen.py", line 1015, in run value = future.result() File "/home/username/anaconda2/lib/python2.7/site-packages/tornado/concurrent.py", line 237, in result raise_exc_info(self._exc_info) File "/home/username/anaconda2/lib/python2.7/site-packages/tornado/gen.py", line 1021, in run yielded = self.gen.throw(*exc_info) File "/home/username/anaconda2/lib/python2.7/site-packages/notebook/services/sessions/sessionmanager.py", line 79, in create_session kernel_name) File "/home/username/anaconda2/lib/python2.7/site-packages/tornado/gen.py", line 1015, in run value = future.result() File "/home/username/anaconda2/lib/python2.7/site-packages/tornado/concurrent.py", line 237, in result raise_exc_info(self._exc_info) File "/home/username/anaconda2/lib/python2.7/site-packages/tornado/gen.py", line 1021, in run yielded = self.gen.throw(*exc_info) File "/home/username/anaconda2/lib/python2.7/site-packages/notebook/services/sessions/sessionmanager.py", line 92, in start_kernel_for_session self.kernel_manager.start_kernel(path=kernel_path, kernel_name=kernel_name) File "/home/username/anaconda2/lib/python2.7/site-packages/tornado/gen.py", line 1015, in run value = future.result() File "/home/username/anaconda2/lib/python2.7/site-packages/tornado/concurrent.py", line 237, in result raise_exc_info(self._exc_info) File "/home/username/anaconda2/lib/python2.7/site-packages/tornado/gen.py", line 285, in wrapper yielded = next(result) File "/home/username/anaconda2/lib/python2.7/site-packages/notebook/services/kernels/kernelmanager.py", line 87, in start_kernel super(MappingKernelManager, self).start_kernel(**kwargs) File "/home/username/anaconda2/lib/python2.7/site-packages/jupyter_client/multikernelmanager.py", line 110, in start_kernel km.start_kernel(**kwargs) File "/home/username/anaconda2/lib/python2.7/site-packages/jupyter_client/manager.py", line 243, in start_kernel **kw) File "/home/username/anaconda2/lib/python2.7/site-packages/jupyter_client/manager.py", line 189, in _launch_kernel return launch_kernel(kernel_cmd, **kw) File "/home/username/anaconda2/lib/python2.7/site-packages/jupyter_client/launcher.py", line 123, in launch_kernel proc = Popen(cmd, **kwargs) File "/home/username/anaconda2/lib/python2.7/subprocess.py", line 711, in __init__ errread, errwrite) File "/home/username/anaconda2/lib/python2.7/subprocess.py", line 1343, in _execute_child raise child_exception 
