ARTEMIS-4965 mitigate NPE when missing SQL property

artemis-jdbc-store/src/main/java/org/apache/activemq/artemis/jdbc/store/sql/PropertySQLProvider.java

@@ -28,6 +28,7 @@ import java.util.function.Function;
 import java.util.stream.Stream;
 
 import org.apache.activemq.artemis.jdbc.store.drivers.JDBCConnectionProvider;
+import org.apache.activemq.artemis.journal.ActiveMQJournalBundle;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import java.lang.invoke.MethodHandles;
@@ -78,7 +79,7 @@ public class PropertySQLProvider implements SQLProvider {
    protected PropertySQLProvider(Factory.SQLDialect dialect, String tableName, Properties sqlProperties) {
       this.dialect = dialect;
       this.sql = sqlProperties;
-      final LetterCase tableNamesCase = LetterCase.parse(sql("table-names-case", dialect, sqlProperties));
+      final LetterCase tableNamesCase = LetterCase.parse(sql("table-names-case", dialect, sqlProperties, true));
       this.tableName = tableNamesCase.apply(tableName);
    }
 
@@ -266,7 +267,7 @@ public class PropertySQLProvider implements SQLProvider {
 
    @Override
    public String currentTimestampTimeZoneId() {
-      return sql("current-timestamp-timezone-id");
+      return sql("current-timestamp-timezone-id", false);
    }
 
    @Override
@@ -294,11 +295,15 @@ public class PropertySQLProvider implements SQLProvider {
       return format(sql("initialize-nodeId"), tableName, NODE_ID_ROW_ID);
    }
 
-   private String sql(final String key) {
-      return sql(key, dialect, sql);
+   protected String sql(final String key) {
+      return sql(key, true);
    }
 
-   private static String sql(final String key, final Factory.SQLDialect dialect, final Properties sql) {
+   protected String sql(final String key, final boolean checkNull) {
+      return sql(key, dialect, sql, checkNull);
+   }
+
+   private static String sql(final String key, final Factory.SQLDialect dialect, final Properties sql, final boolean checkNull) {
       if (dialect != null) {
          String result = sql.getProperty(key + "." + dialect.getKey());
          if (result != null) {
@@ -306,6 +311,9 @@ public class PropertySQLProvider implements SQLProvider {
          }
       }
       String result = sql.getProperty(key);
+      if (checkNull && result == null) {
+         throw ActiveMQJournalBundle.BUNDLE.propertyNotFound(key, dialect != null ? dialect.toString() : null);
+      }
       return result;
    }
 

artemis-jdbc-store/src/test/java/org/apache/activemq/artemis/jdbc/store/sql/PropertySQLProviderTest.java

@@ -0,0 +1,55 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.activemq.artemis.jdbc.store.sql;
+
+import org.apache.activemq.artemis.tests.util.ArtemisTestCase;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.fail;
+
+public class PropertySQLProviderTest extends ArtemisTestCase {
+
+   @Test
+   public void testGetProperty() {
+      for (SQLProvider.DatabaseStoreType storeType : SQLProvider.DatabaseStoreType.values()) {
+         PropertySQLProvider factory = (PropertySQLProvider) new PropertySQLProvider.Factory((PropertySQLProvider.Factory.SQLDialect) null).create("who-cares", storeType);
+         factory.sql("create-file-table");
+      }
+   }
+
+   @Test
+   public void testGetMissingProperty() {
+      for (SQLProvider.DatabaseStoreType storeType : SQLProvider.DatabaseStoreType.values()) {
+         PropertySQLProvider factory = (PropertySQLProvider) new PropertySQLProvider.Factory((PropertySQLProvider.Factory.SQLDialect) null).create("who-cares", storeType);
+         try {
+            factory.sql("missing-property");
+            fail();
+         } catch (IllegalStateException e) {
+            // expected
+         }
+      }
+   }
+
+   @Test
+   public void testGetMissingPropertyNoCheck() {
+      for (SQLProvider.DatabaseStoreType storeType : SQLProvider.DatabaseStoreType.values()) {
+         PropertySQLProvider factory = (PropertySQLProvider) new PropertySQLProvider.Factory((PropertySQLProvider.Factory.SQLDialect) null).create("who-cares", storeType);
+         assertNull(factory.sql("missing-property", false));
+      }
+   }
+}

artemis-journal/src/main/java/org/apache/activemq/artemis/journal/ActiveMQJournalBundle.java

@@ -53,4 +53,7 @@ public interface ActiveMQJournalBundle {
    @Message(id = 149007, value = "Thread dump being generated as the asynchronous file.open is not responding fast enough.")
    String threadDumpAfterFileOpenTimeout();
 
+   @Message(id = 149008, value = "Property '{}' not found for dialect '{}'")
+   IllegalStateException propertyNotFound(String property, String dialect);
+
 }