AccessDeniedException: .index during git checkout when adding a git repository to Business Central in RHPAM

Issue

• When trying to add a git repository to a Business Central via command line, indexing failed with the following exception and Business Central goes unresponsive after loading on indexing for hour. Such error can occur if it's started from different location

2022-09-02 15:01:53,961 ERROR [org.uberfire.ext.metadata.io.IndexerDispatcher] (Thread-113) Indexing error for indexer [id=org.uberfire.ext.metadata.io.CoreIndexer]: org.uberfire.java.nio.IOException: java.nio.file.AccessDeniedException: /.index
    at org.uberfire.ext.metadata.backend.lucene.index.directory.DirectoryType$2.newIndex(DirectoryType.java:61)
    at org.uberfire.ext.metadata.backend.lucene.index.directory.DirectoryFactory.newCluster(DirectoryFactory.java:123)
    at org.uberfire.ext.metadata.backend.lucene.index.LuceneIndexManager.indexOf(LuceneIndexManager.java:66)
    at org.uberfire.ext.metadata.backend.lucene.index.LuceneIndexManager.indexOf(LuceneIndexManager.java:42)
    at org.uberfire.ext.metadata.backend.lucene.provider.LuceneIndexProvider.index(LuceneIndexProvider.java:73)
    at org.uberfire.ext.metadata.io.index.MetadataIndexEngine.doIndex(MetadataIndexEngine.java:159)
    at org.uberfire.ext.metadata.io.index.MetadataIndexEngine.doAction(MetadataIndexEngine.java:138)
    at java.util.ArrayList.forEach(ArrayList.java:1259)
    at org.uberfire.ext.metadata.io.index.MetadataIndexEngine.doCommit(MetadataIndexEngine.java:272)
    at org.uberfire.ext.metadata.io.index.MetadataIndexEngine.commit(MetadataIndexEngine.java:255)
    at org.uberfire.ext.metadata.io.IndexerDispatcher$IndexerJob.get(IndexerDispatcher.java:195)
    at org.uberfire.ext.metadata.io.IndexerDispatcher$IndexerJob.get(IndexerDispatcher.java:165)
    at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1604)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:750)
Caused by: java.nio.file.AccessDeniedException: /.index
    at sun.nio.fs.UnixException.translateToIOException(UnixException.java:84)
    at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
    at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107)
    at sun.nio.fs.UnixFileSystemProvider.createDirectory(UnixFileSystemProvider.java:384)
    at java.nio.file.Files.createDirectory(Files.java:674)
    at java.nio.file.Files.createAndCheckIsDirectory(Files.java:781)
    at java.nio.file.Files.createDirectories(Files.java:767)
    at org.apache.lucene.store.FSDirectory.<init>(FSDirectory.java:157)
    at org.apache.lucene.store.NIOFSDirectory.<init>(NIOFSDirectory.java:63)
    at org.apache.lucene.store.NIOFSDirectory.<init>(NIOFSDirectory.java:73)
    at org.uberfire.ext.metadata.backend.lucene.index.directory.DirectoryType$2.newIndex(DirectoryType.java:59)
    ... 15 more