replace mysql with derby db (#546)

* non transient data access exception examples

* change to derby db

* change to in memory derby db

spring-exceptions/pom.xml

@@ -135,6 +135,27 @@
         	<artifactId>el-api</artifactId>
         	<version>2.2</version>
         </dependency>
+
+        <dependency>
+        	<groupId>org.apache.derby</groupId>
+        	<artifactId>derby</artifactId>
+        	<version>10.12.1.1</version>
+        </dependency>
+        <dependency>
+        	<groupId>org.apache.derby</groupId>
+        	<artifactId>derbyclient</artifactId>
+        	<version>10.12.1.1</version>
+        </dependency>
+        <dependency>
+        	<groupId>org.apache.derby</groupId>
+        	<artifactId>derbynet</artifactId>
+        	<version>10.12.1.1</version>
+        </dependency>
+        <dependency>
+        	<groupId>org.apache.derby</groupId>
+        	<artifactId>derbytools</artifactId>
+        	<version>10.12.1.1</version>
+        </dependency>
     </dependencies>
 
     <build>

spring-exceptions/src/main/java/org/baeldung/ex/nontransientexception/cause/Cause1NonTransientConfig.java

@@ -20,7 +20,7 @@ import com.google.common.base.Preconditions;
 
 @Configuration
 @EnableTransactionManagement
-@PropertySource({ "classpath:persistence-mysql.properties" })
+@PropertySource({ "classpath:persistence-derby.properties" })
 @ComponentScan({ "org.baeldung.persistence" })
 public class Cause1NonTransientConfig {
 

spring-exceptions/src/main/java/org/baeldung/ex/nontransientexception/cause/Cause4NonTransientConfig.java

@@ -20,7 +20,7 @@ import com.google.common.base.Preconditions;
 
 @Configuration
 @EnableTransactionManagement
-@PropertySource({ "classpath:persistence-mysql.properties" })
+@PropertySource({ "classpath:persistence-derby.properties" })
 @ComponentScan({ "org.baeldung.persistence" })
 public class Cause4NonTransientConfig {
 
@@ -72,5 +72,4 @@ public class Cause4NonTransientConfig {
         // hibernateProperties.setProperty("hibernate.globally_quoted_identifiers", "true");
         return hibernateProperties;
     }
-
 }

spring-exceptions/src/main/resources/persistence-derby.properties

@@ -0,0 +1,10 @@
+# jdbc.X
+jdbc.driverClassName=org.apache.derby.jdbc.EmbeddedDriver
+jdbc.url=jdbc:derby:memory:spring_exceptions;create=true
+jdbc.user=tutorialuser
+jdbc.pass=tutorialpass
+
+# hibernate.X
+hibernate.dialect=org.hibernate.dialect.DerbyDialect
+hibernate.show_sql=false
+hibernate.hbm2ddl.auto=create