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-rw-r--r--src/main/java/org/onap/dmaap/dbcapi/database/ConnectionFactory.java17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dmaap/dbcapi/database/ConnectionFactory.java b/src/main/java/org/onap/dmaap/dbcapi/database/ConnectionFactory.java
index aee3ff1..0f14e60 100644
--- a/src/main/java/org/onap/dmaap/dbcapi/database/ConnectionFactory.java
+++ b/src/main/java/org/onap/dmaap/dbcapi/database/ConnectionFactory.java
@@ -26,6 +26,7 @@ import java.util.*;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
+import java.util.concurrent.TimeUnit;
import org.onap.dmaap.dbcapi.util.DmaapConfig;
public class ConnectionFactory {
@@ -36,6 +37,7 @@ public class ConnectionFactory {
static final EELFLogger errorLogger = EELFManager.getInstance().getErrorLogger();
static final EELFLogger metricsLogger = EELFManager.getInstance().getMetricsLogger();
static final EELFLogger serverLogger = EELFManager.getInstance().getServerLogger();
+ static final int PREPARE_PSQL_CONNECTION_ATTEMPTS = 5;
static {
try {
@@ -75,6 +77,14 @@ public class ConnectionFactory {
Properties p = new Properties();
p.put("user", dbuser);
p.put("password", dbcr);
+ for (int i=1; i<PREPARE_PSQL_CONNECTION_ATTEMPTS; i++){
+ try{
+ return(DriverManager.getConnection("jdbc:postgresql://" + host + "/" + dbname, p));
+ }catch(SQLException e){
+ logger.error("Unable to connect to the postgres server. " + i + "attempt failed. ", e);
+ waitFor(1);
+ }
+ }
return(DriverManager.getConnection("jdbc:postgresql://" + host + "/" + dbname, p));
}
public String getSchema() {
@@ -93,4 +103,11 @@ public class ConnectionFactory {
logger.error("Error", e);
}
}
+ private void waitFor(long seconds){
+ try {
+ TimeUnit.SECONDS.sleep(seconds);
+ } catch (InterruptedException e) {
+ logger.debug("Waiting interrupted. ", e);
+ }
+ }
}