Opto22 - Resources & Tools

groov 3.2 update fails on groov Box with groov Admin version lower than 43

Knowledge Base - KB85947 - 7/6/2023

If you try to install groov 3.2 or higher on a groov Box that has a groov Admin version lower than 43, the installation will fail with an error that says the update file was not valid.

Can't open groov View, groov Manage, or groov Admin from Chrome browser on macOS or iOS

Knowledge Base - KB88673 - 7/6/2023

When you use the Chrome browser on macOS 10.15 (or newer) or iOS 13 (or newer) to access groov Manage, groov View or groov Admin configured with a self-signed certificate, you receive the "Your...more

groov Admin update v47 fails (or Ignition Edge Status "is in an unknown state")

Knowledge Base - KB87053 - 7/6/2023

If you attempted to upgrade to groov Admin 1.570.47, you may see: The upgrade succeeds, but when you look at the System Information page, the groov Admin version is less than 47...more

Node-RED Admin in GROOV-AR1: cannot upload SSL certificates with Firefox

Knowledge Base - KB86540 - 7/6/2023

In Node-RED Admin running on a GROOV-AR1, you can't upload a certificate file with Firefox. You will not see any obvious error messages, but the debugger console will list an error: "ReferenceError: event is not defined"

Changes to USB Permissions Do Not Take Effect Immediately

Knowledge Base - KB88802 - 7/6/2023

This is an informational KB article. The groov EPIC processor is behaving correctly. When you are changing the permissions settings on a USB storage media (from groov Manage Home, click...more

Log4j vulnerability in groov View may allow remote code execution

Knowledge Base - KB90085 - 7/6/2023

A vulnerability in Log4j, which is included in groov View, could be exploited by an attacker to remotely execute code on the target system running groov View. This vulnerability is identified in the National Vulnerability Database as: CVE-2021-44228.

Applying security updates in groov Admin prevents access to groov App

Knowledge Base - KB83238 - 7/5/2023

If you apply security updates in groov Admin and then try to access groov App, a window appears asking for the license file. If you choose a valid license file, the following message is displayed: "Error...more

Get and Restart Measurement commands don't restart measurement correctly

Knowledge Base - KB88608 - 7/6/2023

Some PAC Control commands are supposed to restart the measurement at the start of the next pulse or period. However, with this issue, if an on-pulse, off-pulse, or period is in progress, these commands...more

Upgrading groov Admin to newer version may fail with "Cannot Downgrade Groov Admin"

Knowledge Base - KB87029 - 7/6/2023

Upgrading groov Admin to newer version may fail with "Cannot Downgrade Groov Admin"

iOS groov app crashes immediately for some versions of iOS

Knowledge Base - KB82988 - 7/5/2023

When groov App is launched on an iPad with iOS 5, it crashes.

Moving a digital I/O channel from groov EPIC I/O unit to groov RIO I/O unit may cause PAC Control to crash

Knowledge Base - KB89951 - 7/6/2023

In PAC Control Config mode, if you move a groov digital I/O channel from a groov EPIC I/O unit to a groov RIO I/O unit, when you attempt to configure channels on the groov RIO I/O unit (for example, by...more

groov View ignores some Modbus device configuration options.

Knowledge Base - KB87670 - 7/6/2023

groov View ignores some Modbus device configuration options.

groov View for iOS is missing Delete groov connection option on iPad

Knowledge Base - KB83948 - 7/5/2023

When you tap a groov connection on the iPad, you see Connect, Edit, and Set as Default. You should also see a Delete option so you can delete a groov connection.

Reverting to an earlier version of groov may leave "groov is Loading..." message on screen indefinitely

Knowledge Base - KB84193 - 7/5/2023

When you go back from a newer version of groov to an older version, groov may fail to load and the "groov is Loading..." message may remain on the screen.This appears to be an issue with the browser cache.

groov View for Android app may crash when using the back button after a failed connection

Knowledge Base - KB83759 - 7/5/2023

When you tap the back button in the groov View for Android app after groov fails to connect to a connection but prior to the "can't connect" message appears, the groov View for Android app may crash.

groov App sometimes incorrectly reports that the project was created in a newer version

Knowledge Base - KB87061 - 7/6/2023

Sometimes when groov fails to start a project, it displays a message saying the project was created in a newer version of groov (which is not true). The error message reads: This...more

Invalid DNS configuration or unavailable DNS delays groov Admin responses by 20 seconds

Knowledge Base - KB83749 - 7/5/2023

Pages in groov Admin take at least 20 seconds to load. Operations take at least 20 seconds.

groov logo always appears when using View on an iPad

Knowledge Base - KB85570 - 7/6/2023

If you're viewing your groov project on an iPad, the groov logo appears on the pages even if the groov logo option was unchecked in groov Build.

The Trend gadget displays the time for the device accessing groov rather the time for the groov Box location

Knowledge Base - KB84016 - 7/5/2023

The time displayed on the Trend Gadget is from the device accessing groov rather than the time for the groov Box location.

When scrolling in groov View, the page menu and popups are detached from the caption bar

Knowledge Base - KB86091 - 7/6/2023

As of groov 3.1, you can freeze the caption bar in Project Settings. If you have not frozen the caption bar, when your users scroll in groov View, the Page Menu and User Menu remain in place. They do not scroll with the rest of the page.

Upgrading groov Admin to newer version may fail with "Cannot Downgrade Groov Admin"

Knowledge Base - KB87029 - 7/6/2023

Attempts to upgrade groov Admin to a newer version may fail with the message: "Cannot Downgrade groov Admin". Updates performed while running groov Admin v46 or earlier might have this problem.

OPC UA client can't connect through firewall to OPC UA server on groov EPIC/RIO; server reports unrecognized client

Knowledge Base - KB90420 - 8/17/2023

If the OPC UA clients connect to the Data Service OPC UA server on groov EPIC or groov RIO through a firewall router configured with port forwarding or NAT passthrough, you may see messages that OPC UA...more

After power cycle, groov Manage REST API calls or Node-RED for groov I/O nodes may fail

Knowledge Base - KB89210 - 7/6/2023

After a power cycle or restart of a groov RIO, REST API calls to groov Manage or Node-RED flows with Node-RED for groov I/O nodes may fail.

iOS groov View app does not correctly bypass login dialog for groov Server

Knowledge Base - KB83326 - 7/5/2023

When you enter a username and password when configuring a groov device, groov View for iOS should bypass the login dialog. This works correctly when connecting to a groov box, but not when connecting to groov Server.

groov may fail to close network sockets on Modbus connection errors

Knowledge Base - KB86775 - 7/6/2023

This issue is difficult to see, but you may find that groov is making more connections than necessary to your Modbus device. groov should make no more than two connections to a single Modbus device.