java.sql.SQLException: Database "zxy" not found

Beginner JPA, I do not know why the old error
I created a database using Derby connect 'jdbc: derby: d :/ Derby_data / zxy; create = true; territory = zh_CN; user = root
; password = root ';
persistence.xml configuration



;



seek expert advice
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obviously xyz database does not exist ah
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java.sql.SQLException: database "zxy" not found: If this is the case is that you the database is not built
D: \ Derby_data \ zxy the database has not compatible with the current version of the software format. Database created or upgrade from version 10.9 . : If this is the case for example, you can change about the format iso or utf-8 character format and some you look is not the problem here , and if not then you will only be prompted to do according to the
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connect 'jdbc: derby: d :/ Derby_data / zxy; create = true; territory = zh_CN; user = root
; password = root '; sentence will not create databases?
I saw there that directory drive d

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reported anything wrong .... the error prompt Tieshanglai
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tried again today to find , and really do not know what the situation , but now they run newspaper
D: \ Derby_data \ zxy the database has not compatible with the current version of the software format. Database created or upgrade from version 10.9 .
Great God seeking advice
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You for a re- build a database table, which is the version of software compatibility issues between
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you for a re- build a database table , which is compatible between versions of the software problem  
need for another version of the derby do
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will help build the table , will not help build the library , it is my understanding
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database is not found, confirming the next database
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again tried it, it should be a database version of the problem . Results posted