runtime error

Traceback (most recent call last): File "/usr/local/lib/python3.10/site-packages/jnius/env.py", line 347, in get_jdk_home jdk_home = realpath( File "/usr/local/lib/python3.10/posixpath.py", line 395, in realpath filename = os.fspath(filename) TypeError: expected str, bytes or os.PathLike object, not NoneType During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/home/user/app/app.py", line 2, in <module> from retrievers import bm25_search, tfidf_search, qld_search File "/home/user/app/retrievers.py", line 1, in <module> from pyserini.search.lucene import LuceneSearcher File "/usr/local/lib/python3.10/site-packages/pyserini/search/__init__.py", line 17, in <module> from ._base import JQuery, JQueryGenerator, JDisjunctionMaxQueryGenerator, get_topics,\ File "/usr/local/lib/python3.10/site-packages/pyserini/search/_base.py", line 26, in <module> from pyserini.pyclass import autoclass File "/usr/local/lib/python3.10/site-packages/pyserini/pyclass.py", line 27, in <module> from jnius import autoclass, cast File "/usr/local/lib/python3.10/site-packages/jnius/__init__.py", line 45, in <module> from .reflect import * # noqa File "/usr/local/lib/python3.10/site-packages/jnius/reflect.py", line 19, in <module> class Class(JavaClass, metaclass=MetaJavaClass): File "jnius/jnius_export_class.pxi", line 117, in jnius.MetaJavaClass.__new__ File "jnius/jnius_export_class.pxi", line 177, in jnius.MetaJavaClass.resolve_class File "jnius/jnius_env.pxi", line 11, in jnius.get_jnienv File "jnius/jnius_jvm_dlopen.pxi", line 95, in jnius.get_platform_jnienv File "jnius/jnius_jvm_dlopen.pxi", line 54, in jnius.create_jnienv File "/usr/local/lib/python3.10/site-packages/jnius/env.py", line 60, in get_java_setup JAVA_HOME = get_jdk_home(platform) File "/usr/local/lib/python3.10/site-packages/jnius/env.py", line 351, in get_jdk_home raise Exception('Unable to find javac') Exception: Unable to find javac

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