Jani Lane -- former lead singer of the rock band Warrant -- was found dead at a hotel in L.A. Thursday evening ... TMZ has learned.
Lane's body was discovered at the Comfort Inn hotel in Woodland Hills, CA. So far, no official cause of death has been released.
Lane famously penned the band's biggest hit "Cherry Pie" back in 1989 ... before eventually leaving the band to pursue a solo career.
Lane had a history of alcohol-related issues -- he was ordered to serve 120 days in jail after he was arrested for DUI in 2010 ... his second DUI in two years.
Lane was 47.
"whoa can we rewind to where we've been ooh I wish you'd take a look and see the shape I'm in" RIP Jani Lane your music was my youth
Sad to hear about Jani Lane... Had a chance to play with him in Camp Freddy years ago. Very nice guy. RIP pal...
I'm so sad that I lost another dear friend to this horrible disease. I've known Jani for over 30 years and he had a heart of gold. Luv u bro
RIP Jani Lane
We'd like to offer our deepest condolences to the family of Jani Lane regarding their loss. Respectfully, Bret and all at MEGI
Just heard about Jani Lane. What a shame. RIP man.
I just heard the sad news about Janie Lane. So hard to swallow when people have kids. RIP.
Sad to hear about the passing of Jani Lane. Jani was a good guy and one of the best songwriters in the late 80s Dog Eat Dog-very underrated