Dismiss Join GitHub today. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. 'jarsigner' Is Not Recognized As An Internal Or External Command When Signing jacob.jar File. Generating a self signing certificate for key=webutil2. Keytool error: java.lang.Exception: Key pair not generated, alias already exists. There were warnings or errors while generating a self signing certificate. # Usage: # This script is designed to be run after you have Solr running locally without SSL # It will generate a trusted, self-signed certificate for LOCAL DEV (this is useless for production) # Notes: The keystore must be under server/etc on Solr root, and MUST be named solr-ssl.keystore.jks # The cert will be added to locally trusted certs.
Manages a keystore (database) of cryptographic keys, X.509 certificate chains, and trusted certificates.
Keytool error: java.lang.Exception: Key pair not generated, alias already exists STEPS-Request a certificate when a server certificate with the same alias already exists in the certificate database. BUSINESS IMPACT-The issue has the following business impact: Due to this issue, users cannot renew/request certificate. Changes Cause.
SYNOPSIS
The keytool command interface has changed in Java SE 6. See the Changes Section for a detailed description. Note that previously defined commands are still supported.
DESCRIPTIONkeytool is a key and certificate management utility. It allows users to administer their own public/private key pairs and associated certificates for use in self-authentication (where the user authenticates himself/herself to other users/services) or data integrity and authentication services, using digital signatures. It also allows users to cache the public keys (in the form of certificates) of their communicating peers.
A certificate is a digitally signed statement from one entity (person, company, etc.), saying that the public key (and some other information) of some other entity has a particular value. (See Certificates.) When data is digitally signed, the signature can be verified to check the data integrity and authenticity. Integrity means that the data has not been modified or tampered with, and authenticity means the data indeed comes from whoever claims to have created and signed it.
keytool also enables users to administer secret keys used in symmetric encryption/decryption (e.g. DES).
keytool stores the keys and certificates in a keystore.
COMMAND AND OPTION NOTES
The various commands and their options are listed and described below. Note:
Option Defaults
Below are the defaults for various option values.
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In generating a public/private key pair, the signature algorithm (-sigalg option) is derived from the algorithm of the underlying private key:
Please consult the Java Cryptography Architecture API Specification & Reference for a full list of -keyalg and -sigalg you can choose from.
Common Options
The
-v option can appear for all commands except -help . If it appears, it signifies 'verbose' mode; more information will be provided in the output.
There is also a
-Jjavaoption option that may appear for any command. If it appears, the specified javaoption string is passed through directly to the Java interpreter. This option should not contain any spaces. It is useful for adjusting the execution environment or memory usage. For a list of possible interpreter options, type java -h or java -X at the command line.
These options may appear for all commands operating on a keystore:
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