SNOW-1652680: Limit logging on std out and info level

src/main/java/net/snowflake/client/config/SFClientConfigParser.java

@@ -73,7 +73,7 @@ public static SFClientConfig loadSFClientConfig(String configFilePath) throws IO
         File configFile = new File(derivedConfigFilePath);
         ObjectMapper objectMapper = new ObjectMapper();
         SFClientConfig clientConfig = objectMapper.readValue(configFile, SFClientConfig.class);
-        logger.info(
+        logger.debug(
             "Reading values logLevel {} and logPath {} from client configuration",
             clientConfig.getCommonProps().getLogLevel(),
             clientConfig.getCommonProps().getLogPath());

src/main/java/net/snowflake/client/core/CredentialManager.java

@@ -32,9 +32,7 @@ private void initSecureStorageManager() {
         logger.error("Unsupported Operating System. Expected: OSX, Windows, Linux", false);
       }
     } catch (NoClassDefFoundError error) {
-      logger.info(
-          "JNA jar files are needed for Secure Local Storage service. Please follow the Snowflake JDBC instruction for Secure Local Storage feature. Fall back to normal process.",
-          false);
+      logMissingJnaJarForSecureLocalStorage();
     }
   }
 
@@ -97,9 +95,7 @@ void fillCachedMfaToken(SFLoginInput loginInput) throws SFException {
   synchronized void fillCachedCredential(SFLoginInput loginInput, String credType)
       throws SFException {
     if (secureStorageManager == null) {
-      logger.info(
-          "JNA jar files are needed for Secure Local Storage service. Please follow the Snowflake JDBC instruction for Secure Local Storage feature. Fall back to normal process.",
-          false);
+      logMissingJnaJarForSecureLocalStorage();
       return;
     }
 
@@ -109,9 +105,7 @@ synchronized void fillCachedCredential(SFLoginInput loginInput, String credType)
           secureStorageManager.getCredential(
               loginInput.getHostFromServerUrl(), loginInput.getUserName(), credType);
     } catch (NoClassDefFoundError error) {
-      logger.info(
-          "JNA jar files are needed for Secure Local Storage service. Please follow the Snowflake JDBC instruction for Secure Local Storage feature. Fall back to normal process.",
-          false);
+      logMissingJnaJarForSecureLocalStorage();
       return;
     }
 
@@ -183,19 +177,15 @@ synchronized void writeTemporaryCredential(SFLoginInput loginInput, String cred,
     }
 
     if (secureStorageManager == null) {
-      logger.info(
-          "JNA jar files are needed for Secure Local Storage service. Please follow the Snowflake JDBC instruction for Secure Local Storage feature. Fall back to normal process.",
-          false);
+      logMissingJnaJarForSecureLocalStorage();
       return;
     }
 
     try {
       secureStorageManager.setCredential(
           loginInput.getHostFromServerUrl(), loginInput.getUserName(), credType, cred);
     } catch (NoClassDefFoundError error) {
-      logger.info(
-          "JNA jar files are needed for Secure Local Storage service. Please follow the Snowflake JDBC instruction for Secure Local Storage feature. Fall back to normal process.",
-          false);
+      logMissingJnaJarForSecureLocalStorage();
     }
   }
 
@@ -222,18 +212,20 @@ void deleteMfaTokenCache(String host, String user) {
    */
   synchronized void deleteTemporaryCredential(String host, String user, String credType) {
     if (secureStorageManager == null) {
-      logger.info(
-          "JNA jar files are needed for Secure Local Storage service. Please follow the Snowflake JDBC instruction for Secure Local Storage feature. Fall back to normal process.",
-          false);
+      logMissingJnaJarForSecureLocalStorage();
       return;
     }
 
     try {
       secureStorageManager.deleteCredential(host, user, credType);
     } catch (NoClassDefFoundError error) {
-      logger.info(
-          "JNA jar files are needed for Secure Local Storage service. Please follow the Snowflake JDBC instruction for Secure Local Storage feature. Fall back to normal process.",
-          false);
+      logMissingJnaJarForSecureLocalStorage();
     }
   }
+
+  private static void logMissingJnaJarForSecureLocalStorage() {
+    logger.warn(
+        "JNA jar files are needed for Secure Local Storage service. Please follow the Snowflake JDBC instruction for Secure Local Storage feature. Fall back to normal process.",
+        false);
+  }
 }

src/main/java/net/snowflake/client/core/FileCacheManager.java

@@ -165,7 +165,7 @@ FileCacheManager build() {
       this.cacheLockFile =
           new File(this.cacheFile.getParentFile(), this.baseCacheFileName + ".lck");
     } catch (IOException | SecurityException ex) {
-      logger.info("Failed to touch the cache file. Ignored. {}", cacheFileTmp.getAbsoluteFile());
+      logger.debug("Failed to touch the cache file. Ignored. {}", cacheFileTmp.getAbsoluteFile());
     }
     return this;
   }

src/main/java/net/snowflake/client/core/IncidentUtil.java

@@ -206,7 +206,7 @@ private static void writeVmMetrics(JsonGenerator json, VirtualMachineMetrics vm)
         // This function can throw an error with java 11.
         json.writeNumberField("fd_usage", vm.fileDescriptorUsage());
       } catch (Exception e) {
-        logger.info("Error writing fd_usage", e);
+        logger.debug("Error writing fd_usage", e);
       }
 
       json.writeFieldName("thread-states");

src/main/java/net/snowflake/client/core/SFBaseSession.java

@@ -687,7 +687,7 @@ private void logHttpClientInitInfo(HttpClientSettingsKey key) {
           key.getProxyUser(),
           key.getProxyPassword().isEmpty() ? "not set" : "set");
     } else {
-      logger.info(
+      logger.debug(
           "Driver OCSP mode: {}, gzip disabled: {} and no proxy",
           key.getOcspMode(),
           key.getGzipDisabled());

src/main/java/net/snowflake/client/core/SFSession.java

@@ -794,7 +794,7 @@ public synchronized void open() throws SFException, SnowflakeSQLException {
     // start heartbeat for this session so that the master token will not expire
     startHeartbeatForThisSession();
     stopwatch.stop();
-    logger.info("Session {} opened in {} ms.", getSessionId(), stopwatch.elapsedMillis());
+    logger.debug("Session {} opened in {} ms.", getSessionId(), stopwatch.elapsedMillis());
   }
 
   /**
@@ -937,7 +937,7 @@ public void close() throws SFException, SnowflakeSQLException {
     }
 
     stopwatch.stop();
-    logger.info(
+    logger.debug(
         "Session {} has been successfully closed in {} ms",
         getSessionId(),
         stopwatch.elapsedMillis());

src/main/java/net/snowflake/client/core/SFStatement.java

@@ -435,11 +435,11 @@ public Object executeHelper(
       }
       if (numBinds > 0 && session.getPreparedStatementLogging()) {
         if (numBinds > MAX_BINDING_PARAMS_FOR_LOGGING) {
-          logger.info(
+          logger.debug(
               "Number of binds exceeds logging limit. Printing off {} binding parameters.",
               MAX_BINDING_PARAMS_FOR_LOGGING);
         } else {
-          logger.info("Printing off {} binding parameters.", numBinds);
+          logger.debug("Printing off {} binding parameters.", numBinds);
         }
         int counter = 0;
         // if it's an array bind, print off the first few rows from each column.
@@ -458,7 +458,7 @@ public Object executeHelper(
               rows += bindRows.get(i) + ", ";
             }
             rows += "]";
-            logger.info("Column {}: {}", entry.getKey(), rows);
+            logger.debug("Column {}: {}", entry.getKey(), rows);
             counter += numRowsPrinted;
             if (counter >= MAX_BINDING_PARAMS_FOR_LOGGING) {
               break;
@@ -472,7 +472,7 @@ public Object executeHelper(
               break;
             }
             counter++;
-            logger.info("Column {}: {}", entry.getKey(), entry.getValue().getValue());
+            logger.debug("Column {}: {}", entry.getKey(), entry.getValue().getValue());
           }
         }
       }

src/main/java/net/snowflake/client/core/SecureStorageAppleManager.java

@@ -22,13 +22,13 @@ private SecureStorageAppleManager() {
   }
 
   public static SecureStorageAppleManager builder() {
-    logger.info("Using Apple Keychain as a token cache storage");
+    logger.debug("Using Apple Keychain as a token cache storage");
     return new SecureStorageAppleManager();
   }
 
   public SecureStorageStatus setCredential(String host, String user, String type, String cred) {
     if (Strings.isNullOrEmpty(cred)) {
-      logger.info("No credential provided", false);
+      logger.debug("No credential provided", false);
       return SecureStorageStatus.SUCCESS;
     }
 
@@ -53,7 +53,7 @@ public SecureStorageStatus setCredential(String host, String user, String type,
     }
 
     if (errCode != SecurityLib.ERR_SEC_SUCCESS && errCode != SecurityLib.ERR_SEC_ITEM_NOT_FOUND) {
-      logger.info(
+      logger.warn(
           String.format(
               "Failed to check the existence of the item in keychain. Error code = %d",
               Native.getLastError()));
@@ -81,7 +81,7 @@ public SecureStorageStatus setCredential(String host, String user, String type,
     }
 
     if (errCode != SecurityLib.ERR_SEC_SUCCESS) {
-      logger.info(
+      logger.warn(
           String.format(
               "Failed to set/modify the item in keychain. Error code = %d", Native.getLastError()));
       return SecureStorageStatus.FAILURE;
@@ -115,14 +115,14 @@ public String getCredential(String host, String user, String type) {
       }
 
       if (errCode != SecurityLib.ERR_SEC_SUCCESS) {
-        logger.info(
+        logger.warn(
             String.format(
                 "Failed to find the item in keychain or item not exists. Error code = %d",
                 Native.getLastError()));
         return null;
       }
       if (dataLength[0] == 0 || data[0] == null) {
-        logger.info("Found empty item or no item is found", false);
+        logger.warn("Found empty item or no item is found", false);
         return null;
       }
 
@@ -162,7 +162,7 @@ public SecureStorageStatus deleteCredential(String host, String user, String typ
     }
 
     if (errCode != SecurityLib.ERR_SEC_SUCCESS && errCode != SecurityLib.ERR_SEC_ITEM_NOT_FOUND) {
-      logger.info(
+      logger.warn(
           String.format(
               "Failed to delete the item in keychain. Error code = %d", Native.getLastError()));
       return SecureStorageStatus.FAILURE;
@@ -174,7 +174,7 @@ public SecureStorageStatus deleteCredential(String host, String user, String typ
       }
 
       if (errCode != SecurityLib.ERR_SEC_SUCCESS) {
-        logger.info(
+        logger.warn(
             String.format(
                 "Failed to delete the item in keychain. Error code = %d", Native.getLastError()));
         return SecureStorageStatus.FAILURE;

src/main/java/net/snowflake/client/core/SecureStorageLinuxManager.java

@@ -41,7 +41,7 @@ private SecureStorageLinuxManager() {
             .setCacheExpirationInSeconds(CACHE_EXPIRATION_IN_SECONDS)
             .setCacheFileLockExpirationInSeconds(CACHE_FILE_LOCK_EXPIRATION_IN_SECONDS)
             .build();
-    logger.info(
+    logger.debug(
         "Using temporary file: {} as a token cache storage", fileCacheManager.getCacheFilePath());
   }
 
@@ -70,7 +70,7 @@ private ObjectNode localCacheToJson() {
   public synchronized SecureStorageStatus setCredential(
       String host, String user, String type, String token) {
     if (Strings.isNullOrEmpty(token)) {
-      logger.info("No token provided", false);
+      logger.warn("No token provided", false);
       return SecureStorageStatus.SUCCESS;
     }
 

src/main/java/net/snowflake/client/core/SecureStorageWindowsManager.java

@@ -33,13 +33,13 @@ private SecureStorageWindowsManager() {
   }
 
   public static SecureStorageWindowsManager builder() {
-    logger.info("Using Windows Credential Manager as a token cache storage");
+    logger.debug("Using Windows Credential Manager as a token cache storage");
     return new SecureStorageWindowsManager();
   }
 
   public SecureStorageStatus setCredential(String host, String user, String type, String token) {
     if (Strings.isNullOrEmpty(token)) {
-      logger.info("No token provided", false);
+      logger.warn("No token provided", false);
       return SecureStorageStatus.SUCCESS;
     }
 
@@ -63,13 +63,13 @@ public SecureStorageStatus setCredential(String host, String user, String type,
     }
 
     if (!ret) {
-      logger.info(
+      logger.warn(
           String.format(
               "Failed to write to Windows Credential Manager. Error code = %d",
               Native.getLastError()));
       return SecureStorageStatus.FAILURE;
     }
-    logger.info("Wrote to Windows Credential Manager successfully", false);
+    logger.debug("Wrote to Windows Credential Manager successfully", false);
 
     return SecureStorageStatus.SUCCESS;
   }
@@ -90,7 +90,7 @@ public String getCredential(String host, String user, String type) {
       }
 
       if (!ret) {
-        logger.info(
+        logger.warn(
             String.format(
                 "Failed to read target or could not find it in Windows Credential Manager. Error code = %d",
                 Native.getLastError()));
@@ -104,12 +104,12 @@ public String getCredential(String host, String user, String type) {
 
       if (SecureStorageWindowsCredentialType.typeOf(cred.Type)
           != SecureStorageWindowsCredentialType.CRED_TYPE_GENERIC) {
-        logger.info("Wrong type of credential. Expected: CRED_TYPE_GENERIC", false);
+        logger.warn("Wrong type of credential. Expected: CRED_TYPE_GENERIC", false);
         return null;
       }
 
       if (cred.CredentialBlobSize == 0) {
-        logger.info("Returned credential is empty", false);
+        logger.debug("Returned credential is empty", false);
         return null;
       }
 
@@ -137,7 +137,7 @@ public SecureStorageStatus deleteCredential(String host, String user, String typ
     }
 
     if (!ret) {
-      logger.info(
+      logger.warn(
           String.format(
               "Failed to delete target in Windows Credential Manager. Error code = %d",
               Native.getLastError()));

src/main/java/net/snowflake/client/core/SystemUtil.java

@@ -26,7 +26,7 @@ static int convertSystemPropertyToIntValue(String systemProperty, int defaultVal
       try {
         returnVal = Integer.parseInt(systemPropertyValue);
       } catch (NumberFormatException ex) {
-        logger.info(
+        logger.warn(
             "Failed to parse the system parameter {} with value {}",
             systemProperty,
             systemPropertyValue);

src/main/java/net/snowflake/client/jdbc/DefaultSFConnectionHandler.java

@@ -189,7 +189,7 @@ && systemGetProperty("java.util.logging.config.file") == null) {
 
       if (logLevel != null && logPattern != null) {
         try {
-          logger.info("Setting logger with log level {} and log pattern {}", logLevel, logPattern);
+          logger.debug("Setting logger with log level {} and log pattern {}", logLevel, logPattern);
           JDK14Logger.instantiateLogger(logLevel, logPattern);
         } catch (IOException ex) {
           throw new SnowflakeSQLLoggedException(
@@ -325,7 +325,7 @@ private void initSessionProperties(SnowflakeConnectString conStr, String appID,
             properties.replace(property.getKey(), "900");
           }
         } catch (NumberFormatException ex) {
-          logger.info(
+          logger.warn(
               "Invalid data type for CLIENT_SESSION_KEEP_ALIVE_HEARTBEAT_FREQUENCY: {}",
               property.getValue());
           continue;

src/main/java/net/snowflake/client/jdbc/FileBackedOutputStream.java

@@ -27,6 +27,8 @@
 import java.io.InputStream;
 import java.io.OutputStream;
 import net.snowflake.client.core.FileUtil;
+import net.snowflake.client.log.SFLogger;
+import net.snowflake.client.log.SFLoggerFactory;
 
 /**
  * An {@link OutputStream} that starts buffering to a byte array, but switches to file buffering
@@ -42,6 +44,8 @@
 @Beta
 public final class FileBackedOutputStream extends OutputStream {
 
+  private static final SFLogger logger = SFLoggerFactory.getLogger(FileBackedOutputStream.class);
+
   private final int fileThreshold;
   private final boolean resetOnFinalize;
   private final ByteSource source;
@@ -105,7 +109,7 @@ protected void finalize() {
               try {
                 reset();
               } catch (Throwable t) {
-                t.printStackTrace(System.err);
+                logger.error("Exception occurred on finalize", t);
               }
             }
           };

src/main/java/net/snowflake/client/jdbc/SnowflakeCallableStatementV1.java

@@ -65,7 +65,7 @@ final class SnowflakeCallableStatementV1 extends SnowflakePreparedStatementV1
   static String parseSqlEscapeSyntax(String originalSql) {
     originalSql = originalSql.trim();
     if (originalSql.startsWith("{") && originalSql.endsWith("}")) {
-      logger.info("Curly brackets {} removed before sending sql to server.", false);
+      logger.debug("Curly brackets {} removed before sending sql to server.", false);
       return originalSql.substring(1, originalSql.length() - 1);
     }
     return originalSql;