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(base) ➜ **** git:(dev-ui) sdk current
Current default versions:
ant 1.10.5-apache
gradle 9.4-apache
java 21-oracle-local
jmeter 5.1-apache
kotlin 2.3.20-local
maven 3.9.14-apache
mvnd 1.0.4-apache
tomcat 7-apache
(base) ➜ **** git:(dev-ui) sdk list
==== INTERNET NOT REACHABLE! ===================================================
Some functionality is disabled or only partially available.
If this persists, please enable the offline mode:
$ sdk offline
================================================================================
This command is not available while offline.
(base) ➜ **** git:(dev-ui) sdk --help
==== INTERNET NOT REACHABLE! ===================================================
Some functionality is disabled or only partially available.
If this persists, please enable the offline mode:
$ sdk offline
================================================================================
Invalid command: --help
NAME
sdk - The command line interface (CLI) for SDKMAN!
SYNOPSIS
sdk <subcommand> [candidate] [version]
DESCRIPTION
SDKMAN! is a tool for managing parallel versions of multiple JVM related
Software Development Kits on most Unix based systems. It provides a
convenient Command Line Interface (CLI) and API for installing, switching,
removing and listing Candidates.
SUBCOMMANDS & QUALIFIERS
help [subcommand]
install <candidate> [version] [path]
uninstall <candidate> <version>
list [candidate]
use <candidate> <version>
config no qualifier
default <candidate> [version]
home <candidate> <version>
env [init|install|clear]
current [candidate]
upgrade [candidate]
version no qualifier
offline [enable|disable]
selfupdate [force]
update no qualifier
flush [tmp|metadata|version]
EXAMPLES
sdk install java 17.0.0-tem
sdk help install
(base) ➜ **** git:(dev-ui) sdk update
==== INTERNET NOT REACHABLE! ===================================================
Some functionality is disabled or only partially available.
If this persists, please enable the offline mode:
$ sdk offline
================================================================================
(base) ➜ **** git:(dev-ui) sdk version
SDKMAN!
script: 5.21.0
native: 0.7.21 (macos x86_64)
(base) ➜ **** git:(dev-ui) curl -vvv https://api.sdkman.io/2
* Host api.sdkman.io:443 was resolved.
* IPv6: (none)
* IPv4: 45.55.42.78
* Trying 45.55.42.78:443...
* Connected to api.sdkman.io (45.55.42.78) port 443
* ALPN: curl offers h2,http/1.1
* (304) (OUT), TLS handshake, Client hello (1):
* CAfile: /etc/ssl/cert.pem
* CApath: none
* (304) (IN), TLS handshake, Server hello (2):
* (304) (IN), TLS handshake, Unknown (8):
* (304) (IN), TLS handshake, Certificate (11):
* (304) (IN), TLS handshake, CERT verify (15):
* (304) (IN), TLS handshake, Finished (20):
* (304) (OUT), TLS handshake, Finished (20):
* SSL connection using TLSv1.3 / AEAD-AES256-GCM-SHA384 / [blank] / UNDEF
* ALPN: server accepted http/1.1
* Server certificate:
* subject: CN=*.sdkman.io
* start date: Mar 28 00:00:00 2026 GMT
* expire date: Oct 12 23:59:59 2026 GMT
* subjectAltName: host "api.sdkman.io" matched cert's "*.sdkman.io"
* issuer: C=GB; O=Sectigo Limited; CN=Sectigo Public Server Authentication CA DV R36
* SSL certificate verify ok.
* using HTTP/1.x
> GET /2 HTTP/1.1
> Host: api.sdkman.io
> User-Agent: curl/8.7.1
> Accept: */*
>
* Request completely sent off
< HTTP/1.1 404 Not Found
< Server: nginx/1.19.10
< Date: Sun, 13 Sep 2026 10:05:16 GMT
< Content-Type: text/html
< Content-Length: 154
< Connection: keep-alive
<
<html>
<head><title>404 Not Found</title></head>
<body>
<center><h1>404 Not Found</h1></center>
<hr><center>nginx/1.19.10</center>
</body>
</html>
* Connection #0 to host api.sdkman.io left intact
(base) ➜ **** git:(dev-ui) sdk offline disable
Online mode re-enabled!
(base) ➜ **** git:(dev-ui) sdk list
==== INTERNET NOT REACHABLE! ===================================================
Some functionality is disabled or only partially available.
If this persists, please enable the offline mode:
$ sdk offline
================================================================================
This command is not available while offline.
(base) ➜ **** git:(dev-ui) which -a curl
/usr/bin/curl
(base) ➜ **** git:(dev-ui) conda deactivate
➜ **** git:(dev-ui) sdk offline disable
Online mode re-enabled!
➜ **** git:(dev-ui) sdk list
[1] + 25118 suspended
|