$ export ELYTRON_TOOL_ADDONS=/home/someuser/customcredstoreprovider.jar # this is a jar implementing a custom credential store, made of a provider and a store implementation, see attached files $ cd jboss-eap-7.3/bin $ ./elytron-tool.sh credential-store --add secret_alias --password pass123 --create -x secret_password -l testStore.jceks --type CustomTestCredentialStore --debug Alias "secret_alias" has been successfully stored $ cd jboss-eap-7.4/bin $ ./elytron-tool.sh credential-store --add secret_alias --password pass123 --create -x secret_password -l testStore.jceks --type CustomTestCredentialStore --debug testStore.jceks (No such file or directory) Exception encountered executing the command: java.nio.file.NoSuchFileException: testStore.jceks at sun.nio.fs.UnixException.translateToIOException(UnixException.java:86) at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102) at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107) at sun.nio.fs.UnixFileAttributeViews $Posix .readAttributes(UnixFileAttributeViews.java:218) at sun.nio.fs.UnixFileAttributeViews $Posix .readAttributes(UnixFileAttributeViews.java:207) at sun.nio.fs.AbstractFileSystemProvider.readAttributes(AbstractFileSystemProvider.java:92) at java.nio.file.Files.readAttributes(Files.java:1964) at org.wildfly.security.tool.CredentialStoreCommand.execute(CredentialStoreCommand.java:247) at org.wildfly.security.tool.ElytronTool.main(ElytronTool.java:84)