Using a different exception constant name for closed databases.

h2/src/main/org/h2/constant/ErrorCode.java

@@ -1398,11 +1398,12 @@ public class ErrorCode {
     public static final int DATABASE_IS_READ_ONLY = 90097;
 
     /**
-     * The error with code <code>90098</code> is thrown when the
-     * self-destruction counter has reached zero. This counter is only used for
-     * recovery testing, and not set in normal operation.
+     * The error with code <code>90098</code> is thrown when the database has
+     * been closed, for example because the system ran out of memory or because
+     * the self-destruction counter has reached zero. This counter is only used
+     * for recovery testing, and not set in normal operation.
      */
-    public static final int SIMULATED_POWER_OFF = 90098;
+    public static final int DATABASE_IS_CLOSED = 90098;
 
     /**
      * The error with code <code>90099</code> is thrown when an error occurred

h2/src/main/org/h2/log/LogFile.java

@@ -141,14 +141,14 @@ public class LogFile {
 
     private int getBlock() throws SQLException {
         if (file == null) {
-            throw Message.getSQLException(ErrorCode.SIMULATED_POWER_OFF);
+            throw Message.getSQLException(ErrorCode.DATABASE_IS_CLOSED);
         }
         return (int) (file.getFilePointer() / BLOCK_SIZE);
     }
 
     private void writeBuffer(DataPage buff, Record rec) throws SQLException {
         if (file == null) {
-            throw Message.getSQLException(ErrorCode.SIMULATED_POWER_OFF);
+            throw Message.getSQLException(ErrorCode.DATABASE_IS_CLOSED);
         }
         int size = MathUtils.roundUp(buff.length() + DataPage.LENGTH_FILLER, BLOCK_SIZE);
         int blockCount = size / BLOCK_SIZE;
@@ -421,7 +421,7 @@ public class LogFile {
     void flush() throws SQLException {
         if (bufferPos > 0) {
             if (file == null) {
-                throw Message.getSQLException(ErrorCode.SIMULATED_POWER_OFF);
+                throw Message.getSQLException(ErrorCode.DATABASE_IS_CLOSED);
             }
             file.write(buffer, 0, bufferPos);
             pos = getBlock();

h2/src/main/org/h2/store/DiskFile.java

@@ -553,7 +553,7 @@ public class DiskFile implements CacheWriter {
     Record getRecord(Session session, int pos, RecordReader reader, int storageId) throws SQLException {
         synchronized (database) {
             if (file == null) {
-                throw Message.getSQLException(ErrorCode.SIMULATED_POWER_OFF);
+                throw Message.getSQLException(ErrorCode.DATABASE_IS_CLOSED);
             }
             Record record = (Record) cache.get(pos);
             if (record != null) {
@@ -604,7 +604,7 @@ public class DiskFile implements CacheWriter {
         reuseSpace();
         synchronized (database) {
             if (file == null) {
-                throw Message.getSQLException(ErrorCode.SIMULATED_POWER_OFF);
+                throw Message.getSQLException(ErrorCode.DATABASE_IS_CLOSED);
             }
             blockCount = getPage(blockCount + BLOCKS_PER_PAGE - 1) * BLOCKS_PER_PAGE;
             int lastPage = getPage(fileBlockCount);

h2/src/main/org/h2/store/PageStore.java

@@ -130,12 +130,6 @@ public class PageStore implements CacheWriter {
      */
     public static final int PAGE_SIZE_MAX = 32768;
 
-    /**
-     * The default page size.
-     */
-    public static final int PAGE_SIZE_DEFAULT = 2 * 1024;
-    // public static final int PAGE_SIZE_DEFAULT = 64;
-
     private static final int PAGE_ID_FREE_LIST_ROOT = 3;
     private static final int PAGE_ID_META_ROOT = 4;
 
@@ -277,7 +271,7 @@ public class PageStore implements CacheWriter {
     }
 
     private void openNew() throws SQLException {
-        setPageSize(PAGE_SIZE_DEFAULT);
+        setPageSize(SysProperties.PAGE_SIZE);
         freeListPagesPerList = PageFreeList.getPagesAddressed(pageSize);
         file = database.openFile(fileName, accessMode, false);
         recoveryRunning = true;
@@ -1467,7 +1461,7 @@ public class PageStore implements CacheWriter {
 
     private void checkOpen() throws SQLException {
         if (file == null) {
-            throw Message.getSQLException(ErrorCode.SIMULATED_POWER_OFF);
+            throw Message.getSQLException(ErrorCode.DATABASE_IS_CLOSED);
         }
     }