Archives: Answers

Root Cause 1:  There are duplicate jars with different versions. Solution: Check whether any duplicate jars there in the lib folder. if you found any duplicate jar’s remove one jar …

Solution 1: Please just add nativeQuery = true @Query( value = “any sql query ………”, nativeQuery = true) Example : @Query(value=”select * from Employee”,nativeQuery = true) public List<employee> getEmployeesList(); Solution …

Deletes Local Branch : git branch -d <branch_name> Example: git branch -d development_v.1 Deletes Remote Branch : > git push origin :<branch_name> Example: git branch -d development_v.2

Please add below property in spring boot application.properties file,problem automatically resolve.

Please add end of the JDBC URL  “?zeroDateTimeBehavior=convertToNull” like as below jdbc:mysql://yourdbserverip:3306/yourdatabasename?zeroDateTimeBehavior=convertToNull  

Use the below snippet : public static Long convertStringToLong(String stringValue) { try{ NumberFormat numberFormat = NumberFormat.getInstance(); Number number = numberFormat.parse(stringValue); return number.longValue(); }catch(Exception e){ return null; } }  

Execute the below lines in MySQL Data Base SET GLOBAL table_open_cache=16384 SET GLOBAL table_definition_cache=16384

SQLNET.ALLOWED_LOGON_VERSION_SERVER in sqlnet.ora file to a lower Oracle version like 8 or 9 which are compatible with the client-server authentication when using unsupported JDBC drivers with Oracle DB 12c. This …

String pool is possible only because String is immutable in Java. This way Java Runtime frees a lot of heap space because different String variables can refer to the same …

public String convertRtfToText(String fareRules) throws IOException, BadLocationException { try { byte[] x = Base64.getDecoder().decode(fareRules.getBytes()); RTFEditorKit rtfParser = new RTFEditorKit(); Document document = rtfParser.createDefaultDocument(); rtfParser.read(new ByteArrayInputStream(x), document, 0); String fareRuleText = …